Home |   Linked Open Data |   Browse |   Search |   Download  RACE-PRO  PRO tracker  Community  PRO Consortium  Publications  Documentation Browse all    Quick browse:  -------- --Modified forms----   All modified forms   Cleaved forms   Phosphorylated forms   Methylated forms   Acetylated forms   Ubiquitinated forms   Glycosylated forms --Terms related to disease---   Saliva biomarkers --Other Links----   Family_level   Orthoisoforms   Complex   Ecocyc   MGI   Reactome   UniProtKB    View entry in DAG:     Protein Ontology Hierarchy   449 shown from total 237057 nodes Category PR:000018263  amino acid chain   polymer PR:000000001  protein   PR:000000027  SMAD family member protein   family PR:000000038  BMP receptor-regulated SMAD family member protein   family PR:000000363  SMAD family member 1   gene PR:Q15797  SMAD family member 1 (human)   organism-gene PR:Q15797-1  SMAD family member 1 isoform 1 (human)   organism-sequence PR:000026334  SMAD family member 1 isoform 1 phosphorylated 1 (human)   organism-modification PR:000036553  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated 1 (human)   organism-modification PR:Q15797-2  SMAD family member 1 isoform h2 (human)   organism-sequence PR:000050147  SMAD family member 1 phosphorylated 1 (human)   organism-modification PR:000049280  SMAD family member 1 ubiquitinated form (human)   organism-modification PR:000036553  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated 1 (human)   organism-modification PR:P70340  SMAD family member 1 (mouse)   organism-gene PR:P70340-1  SMAD family member 1 isoform 1 (mouse)   organism-sequence PR:000026724  SMAD family member 1 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:P97588  SMAD family member 1 (rat)   organism-gene PR:000000467  SMAD family member 1 isoform 1   sequence PR:Q15797-1  SMAD family member 1 isoform 1 (human)   organism-sequence PR:000026334  SMAD family member 1 isoform 1 phosphorylated 1 (human)   organism-modification PR:000036553  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated 1 (human)   organism-modification PR:P70340-1  SMAD family member 1 isoform 1 (mouse)   organism-sequence PR:000026724  SMAD family member 1 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000000570  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated form   modification PR:000000648  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated 1   modification PR:000036553  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated 1 (human)   organism-modification PR:000000571  SMAD family member 1 isoform 1 phosphorylated form   modification PR:000000647  SMAD family member 1 isoform 1 phosphorylated 1   modification PR:000026334  SMAD family member 1 isoform 1 phosphorylated 1 (human)   organism-modification PR:000026724  SMAD family member 1 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000000570  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated form   modification PR:000000648  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated 1   modification PR:000036553  SMAD family member 1 isoform 1 phosphorylated and ubiquitinated 1 (human)   organism-modification PR:000050148  SMAD family member 1 phosphorylated 1   modification PR:000050147  SMAD family member 1 phosphorylated 1 (human)   organism-modification PR:000000372  SMAD family member 5   gene PR:Q56I99  SMAD family member 5 (chicken)   organism-gene PR:Q99717  SMAD family member 5 (human)   organism-gene PR:Q99717-1  SMAD family member 5 isoform 1 (human)   organism-sequence PR:000036562  SMAD family member 5 isoform 1 phosphorylated 1 (human)   organism-modification PR:000029962  SMAD family member 5 isoform 2 (human)   organism-sequence PR:000049289  SMAD family member 5, initiator methionine removed form (human)   organism-modification PR:000049290  SMAD family member 5, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:P97454  SMAD family member 5 (mouse)   organism-gene PR:P97454-1  SMAD family member 5 isoform 1 (mouse)   organism-sequence PR:000036563  SMAD family member 5 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:Q9R1V3  SMAD family member 5 (rat)   organism-gene PR:000000477  SMAD family member 5 isoform 1   sequence PR:Q99717-1  SMAD family member 5 isoform 1 (human)   organism-sequence PR:000036562  SMAD family member 5 isoform 1 phosphorylated 1 (human)   organism-modification PR:P97454-1  SMAD family member 5 isoform 1 (mouse)   organism-sequence PR:000036563  SMAD family member 5 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000000580  SMAD family member 5 isoform 1 phosphorylated form   modification PR:000000661  SMAD family member 5 isoform 1 phosphorylated 1   modification PR:000036562  SMAD family member 5 isoform 1 phosphorylated 1 (human)   organism-modification PR:000036563  SMAD family member 5 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000026652  SMAD family member 5 isoform 1, initiator methionine removed form   modification PR:000000478  SMAD family member 5 isoform 2   sequence PR:000029962  SMAD family member 5 isoform 2 (human)   organism-sequence PR:000018297  SMAD family member 5, initiator methionine removed form   modification PR:000026652  SMAD family member 5 isoform 1, initiator methionine removed form   modification PR:000049289  SMAD family member 5, initiator methionine removed form (human)   organism-modification PR:000049290  SMAD family member 5, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000000375  SMAD family member 9   gene PR:O15198  SMAD family member 9 (human)   organism-gene PR:000029959  SMAD family member 9 isoform 3 (human)   organism-sequence PR:O15198-1  SMAD family member 9 isoform A (human)   organism-sequence PR:000028350  SMAD family member 9 isoform 3 phosphorylated 1 (human)   organism-modification PR:O15198-2  SMAD family member 9 isoform B (human)   organism-sequence PR:000067869  SMAD family member 9 methylated 1 (human)   organism-modification PR:000085152  SMAD family member 9 methylated 2 (human)   organism-modification PR:000049291  SMAD family member 9 phosphorylated 1 (human)   organism-modification PR:Q9JIW5  SMAD family member 9 (mouse)   organism-gene PR:Q9JIW5-1  SMAD family member 9 isoform 1 (mouse)   organism-sequence PR:000036567  SMAD family member 9 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:O54835  SMAD family member 9 (rat)   organism-gene PR:000000482  SMAD family member 9 isoform 1   sequence PR:Q9JIW5-1  SMAD family member 9 isoform 1 (mouse)   organism-sequence PR:000036567  SMAD family member 9 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000000585  SMAD family member 9 isoform 1 phosphorylated form   modification PR:000000666  SMAD family member 9 isoform 1 phosphorylated 1   modification PR:000036567  SMAD family member 9 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:O15198-2  SMAD family member 9 isoform B (human)   organism-sequence PR:000000484  SMAD family member 9 isoform 3   sequence PR:000000586  SMAD family member 9 isoform 3 phosphorylated form   modification PR:000000667  SMAD family member 9 isoform 3 phosphorylated 1   modification PR:000028350  SMAD family member 9 isoform 3 phosphorylated 1 (human)   organism-modification PR:O15198-1  SMAD family member 9 isoform A (human)   organism-sequence PR:000028350  SMAD family member 9 isoform 3 phosphorylated 1 (human)   organism-modification PR:000000128  SMAD family member 4   gene PR:Q13485  SMAD family member 4 (human)   organism-gene PR:000049288  SMAD family member 4 ADP-ribosylated form (human)   organism-modification PR:000075597  SMAD family member 4 deaminated 1 (human)   organism-modification PR:Q13485-1  SMAD family member 4 isoform 1 (human)   organism-sequence PR:000025956  SMAD family member 4 isoform 1 monoubiquitinated 1 (human)   organism-modification PR:000025958  SMAD family member 4 isoform 1 monoubiquitinated 2 (human)   organism-modification PR:000036483  SMAD family member 4 isoform 1 phosphorylated 1 (human)   organism-modification PR:000067581  SMAD family member 4 methylated 1 (human)   organism-modification PR:000074844  SMAD family member 4 methylated 2 (human)   organism-modification PR:000083975  SMAD family member 4 methylated 3 (human)   organism-modification PR:000045915  SMAD family member 4 phosphorylated 1 (human)   organism-modification PR:000061967  SMAD family member 4 sequence variant A406T (human)   organism-sequence PR:000061339  SMAD family member 4 sequence variant C443* (human)   organism-sequence PR:000060358  SMAD family member 4 sequence variant D351G (human)   organism-sequence PR:000060690  SMAD family member 4 sequence variant D351H (human)   organism-sequence PR:000062486  SMAD family member 4 sequence variant D351Y (human)   organism-sequence PR:000000371  SMAD family member 4 sequence variant D493H (human)   organism-sequence PR:000061581  SMAD family member 4 sequence variant E108* (human)   organism-sequence PR:000061756  SMAD family member 4 sequence variant E175* (human)   organism-sequence PR:000063741  SMAD family member 4 sequence variant E205* (human)   organism-sequence PR:000062369  SMAD family member 4 sequence variant E307* (human)   organism-sequence PR:000064437  SMAD family member 4 sequence variant E321* (human)   organism-sequence PR:000064193  SMAD family member 4 sequence variant E33* (human)   organism-sequence PR:000061304  SMAD family member 4 sequence variant E330* (human)   organism-sequence PR:000000367  SMAD family member 4 sequence variant E330G (human)   organism-sequence PR:000060581  SMAD family member 4 sequence variant E390* (human)   organism-sequence PR:000063098  SMAD family member 4 sequence variant E417* (human)   organism-sequence PR:000060944  SMAD family member 4 sequence variant E49* (human)   organism-sequence PR:000063714  SMAD family member 4 sequence variant E520* (human)   organism-sequence PR:000060699  SMAD family member 4 sequence variant E526* (human)   organism-sequence PR:000063751  SMAD family member 4 sequence variant E53* (human)   organism-sequence PR:000060297  SMAD family member 4 sequence variant E538* (human)   organism-sequence PR:000063609  SMAD family member 4 sequence variant G168* (human)   organism-sequence PR:000060432  SMAD family member 4 sequence variant G30* (human)   organism-sequence PR:000062259  SMAD family member 4 sequence variant G352* (human)   organism-sequence PR:000000368  SMAD family member 4 sequence variant G352R (human)   organism-sequence PR:000060584  SMAD family member 4 sequence variant G358* (human)   organism-sequence PR:000000370  SMAD family member 4 sequence variant G386D (human)   organism-sequence PR:000060874  SMAD family member 4 sequence variant G473* (human)   organism-sequence PR:000060913  SMAD family member 4 sequence variant G477* (human)   organism-sequence PR:000062175  SMAD family member 4 sequence variant G510* (human)   organism-sequence PR:000063050  SMAD family member 4 sequence variant K122* (human)   organism-sequence PR:000061708  SMAD family member 4 sequence variant K428R (human)   organism-sequence PR:000062700  SMAD family member 4 sequence variant K428T (human)   organism-sequence PR:000062943  SMAD family member 4 sequence variant L146* (human)   organism-sequence PR:000064414  SMAD family member 4 sequence variant L172* (human)   organism-sequence PR:000061774  SMAD family member 4 sequence variant L440* (human)   organism-sequence PR:000063094  SMAD family member 4 sequence variant P356L (human)   organism-sequence PR:000062067  SMAD family member 4 sequence variant P356R (human)   organism-sequence PR:000061059  SMAD family member 4 sequence variant Q116* (human)   organism-sequence PR:000060992  SMAD family member 4 sequence variant Q183* (human)   organism-sequence PR:000061833  SMAD family member 4 sequence variant Q224* (human)   organism-sequence PR:000063251  SMAD family member 4 sequence variant Q239* (human)   organism-sequence PR:000063915  SMAD family member 4 sequence variant Q245* (human)   organism-sequence PR:000062090  SMAD family member 4 sequence variant Q248* (human)   organism-sequence PR:000061457  SMAD family member 4 sequence variant Q249* (human)   organism-sequence PR:000064002  SMAD family member 4 sequence variant Q250* (human)   organism-sequence PR:000061868  SMAD family member 4 sequence variant Q256* (human)   organism-sequence PR:000062888  SMAD family member 4 sequence variant Q289* (human)   organism-sequence PR:000063207  SMAD family member 4 sequence variant Q311* (human)   organism-sequence PR:000063792  SMAD family member 4 sequence variant Q334* (human)   organism-sequence PR:000062729  SMAD family member 4 sequence variant Q366* (human)   organism-sequence PR:000060627  SMAD family member 4 sequence variant Q410* (human)   organism-sequence PR:000063397  SMAD family member 4 sequence variant Q442* (human)   organism-sequence PR:000064413  SMAD family member 4 sequence variant Q448* (human)   organism-sequence PR:000062969  SMAD family member 4 sequence variant Q455* (human)   organism-sequence PR:000061768  SMAD family member 4 sequence variant Q516* (human)   organism-sequence PR:000062931  SMAD family member 4 sequence variant Q534* (human)   organism-sequence PR:000060742  SMAD family member 4 sequence variant Q83* (human)   organism-sequence PR:000063757  SMAD family member 4 sequence variant R135* (human)   organism-sequence PR:000000369  SMAD family member 4 sequence variant R361C (human)   organism-sequence PR:000062302  SMAD family member 4 sequence variant R361G (human)   organism-sequence PR:000064488  SMAD family member 4 sequence variant R361H (human)   organism-sequence PR:000062770  SMAD family member 4 sequence variant R361S (human)   organism-sequence PR:000060505  SMAD family member 4 sequence variant R445* (human)   organism-sequence PR:000063419  SMAD family member 4 sequence variant R515* (human)   organism-sequence PR:000063052  SMAD family member 4 sequence variant R515T (human)   organism-sequence PR:000063355  SMAD family member 4 sequence variant S138* (human)   organism-sequence PR:000063918  SMAD family member 4 sequence variant S144* (human)   organism-sequence PR:000062894  SMAD family member 4 sequence variant S154* (human)   organism-sequence PR:000064298  SMAD family member 4 sequence variant S171* (human)   organism-sequence PR:000064188  SMAD family member 4 sequence variant S178* (human)   organism-sequence PR:000063265  SMAD family member 4 sequence variant S242* (human)   organism-sequence PR:000064356  SMAD family member 4 sequence variant S343* (human)   organism-sequence PR:000062923  SMAD family member 4 sequence variant W101* (human)   organism-sequence PR:000061978  SMAD family member 4 sequence variant W268* (human)   organism-sequence PR:000061241  SMAD family member 4 sequence variant W302* (human)   organism-sequence PR:000060985  SMAD family member 4 sequence variant W398* (human)   organism-sequence PR:000062687  SMAD family member 4 sequence variant W509* (human)   organism-sequence PR:000061684  SMAD family member 4 sequence variant W524* (human)   organism-sequence PR:000062793  SMAD family member 4 sequence variant Y195* (human)   organism-sequence PR:000063208  SMAD family member 4 sequence variant Y260* (human)   organism-sequence PR:000060841  SMAD family member 4 sequence variant Y276* (human)   organism-sequence PR:000063853  SMAD family member 4 sequence variant Y322* (human)   organism-sequence PR:000062878  SMAD family member 4 sequence variant Y328* (human)   organism-sequence PR:000061625  SMAD family member 4 sequence variant Y412* (human)   organism-sequence PR:000064338  SMAD family member 4 sequence variant Y430* (human)   organism-sequence PR:000062129  SMAD family member 4 sequence variant Y513* (human)   organism-sequence PR:000061015  SMAD family member 4 sequence variant Y95* (human)   organism-sequence PR:000064798  SMAD family member 4 ubiquitinated form (human)   organism-modification PR:P97471  SMAD family member 4 (mouse)   organism-gene PR:P97471-1  SMAD family member 4 isoform 1 (mouse)   organism-sequence PR:O70437  SMAD family member 4 (rat)   organism-gene PR:000000366  SMAD family member 4 isoform 1   sequence PR:Q13485-1  SMAD family member 4 isoform 1 (human)   organism-sequence PR:000025956  SMAD family member 4 isoform 1 monoubiquitinated 1 (human)   organism-modification PR:000025958  SMAD family member 4 isoform 1 monoubiquitinated 2 (human)   organism-modification PR:000036483  SMAD family member 4 isoform 1 phosphorylated 1 (human)   organism-modification PR:P97471-1  SMAD family member 4 isoform 1 (mouse)   organism-sequence PR:000025955  SMAD family member 4 isoform 1 monoubiquitinated 1   modification PR:000025956  SMAD family member 4 isoform 1 monoubiquitinated 1 (human)   organism-modification PR:000025957  SMAD family member 4 isoform 1 monoubiquitinated 2   modification PR:000025958  SMAD family member 4 isoform 1 monoubiquitinated 2 (human)   organism-modification PR:000000476  SMAD family member 4 isoform 1 phosphorylated form   modification PR:000000579  SMAD family member 4 isoform 1 phosphorylated 1   modification PR:000036483  SMAD family member 4 isoform 1 phosphorylated 1 (human)   organism-modification PR:000002539  SMAD family member 4 isoform 1 unmodified form   modification PR:000000066  TGF-beta receptor-regulated SMAD family member protein   family PR:000000364  SMAD family member 2   gene PR:Q15796  SMAD family member 2 (human)   organism-gene PR:000077056  SMAD family member 2 cysteinylated 1 (human)   organism-modification PR:Q15796-1  SMAD family member 2 isoform Long (human)   organism-sequence PR:000036554  SMAD family member 2 isoform Long acetylated and phosphorylated 1 (human)   organism-modification PR:000025934  SMAD family member 2 isoform Long phosphorylated 1 (human)   organism-modification PR:000025935  SMAD family member 2 isoform Long phosphorylated 2 (human)   organism-modification PR:000025936  SMAD family member 2 isoform Long phosphorylated 3 (human)   organism-modification PR:000025937  SMAD family member 2 isoform Long phosphorylated 4 (human)   organism-modification PR:000045371  SMAD family member 2 isoform Long unphosphorylated 1 (human)   organism-modification PR:Q15796-2  SMAD family member 2 isoform Short (human)   organism-sequence PR:000036556  SMAD family member 2 isoform Short acetylated and phosphorylated 1 (human)   organism-modification PR:000025938  SMAD family member 2 isoform Short phosphorylated 1 (human)   organism-modification PR:000045494  SMAD family member 2 isoform Short unphosphorylated 1 (human)   organism-modification PR:000025960  SMAD family member 2 isoform unphosphorylated 1 (human)   organism-modification PR:000045371  SMAD family member 2 isoform Long unphosphorylated 1 (human)   organism-modification PR:000045494  SMAD family member 2 isoform Short unphosphorylated 1 (human)   organism-modification PR:000065797  SMAD family member 2 methylated 1 (human)   organism-modification PR:000050145  SMAD family member 2 phosphorylated 1 (human)   organism-modification PR:000000474  SMAD family member 2 sequence variant 5 (human)   organism-sequence PR:000000473  SMAD family member 2 sequence variant D450E (human)   organism-sequence PR:000000471  SMAD family member 2 sequence variant L440R (human)   organism-sequence PR:000000472  SMAD family member 2 sequence variant P445H (human)   organism-sequence PR:000000470  SMAD family member 2 sequence variant R133C (human)   organism-sequence PR:000049281  SMAD family member 2, initiator methionine removed form (human)   organism-modification PR:000061944  SMAD family member 2 sequence variant A354T, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000060357  SMAD family member 2 sequence variant D300A, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000060862  SMAD family member 2 sequence variant D300N, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000060657  SMAD family member 2 sequence variant D300V, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000064349  SMAD family member 2 sequence variant P305L, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000062120  SMAD family member 2 sequence variant P305Q, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000063661  SMAD family member 2 sequence variant S464*, initiator methionine removed form (human)   organism-modification PR:000060522  SMAD family member 2 sequence variant S464L, initiator methionine removed form (human)   organism-modification PR:000063912  SMAD family member 2 sequence variant S467P, initiator methionine removed form (human)   organism-modification PR:000049282  SMAD family member 2, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000062419  SMAD family member 2, initiator methionine removed phosphorylated 2 (human)   organism-modification PR:000049283  SMAD family member 2, initiator methionine removed phosphorylated 5 (human)   organism-modification PR:000049284  SMAD family member 2, initiator methionine removed ubiquitinated form (human)   organism-modification PR:000064775  SMAD family member 2, initiator methionine removed phosphorylated and ubiquitinated 1 (human)   organism-modification PR:000049284  SMAD family member 2, initiator methionine removed ubiquitinated form (human)   organism-modification PR:000064775  SMAD family member 2, initiator methionine removed phosphorylated and ubiquitinated 1 (human)   organism-modification PR:Q62432  SMAD family member 2 (mouse)   organism-gene PR:Q62432-1  SMAD family member 2 isoform Long (mouse)   organism-sequence PR:000025942  SMAD family member 2 isoform Long phosphorylated 1 (mouse)   organism-modification PR:000036482  SMAD family member 2 isoform Long phosphorylated and ubiquitinated form (mouse)   organism-modification PR:000036555  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1 (mouse)   organism-modification PR:Q62432-2  SMAD family member 2 isoform Short (mouse)   organism-sequence PR:000025943  SMAD family member 2 isoform Short phosphorylated 1 (mouse)   organism-modification PR:O70436  SMAD family member 2 (rat)   organism-gene PR:000000468  SMAD family member 2 isoform Long   sequence PR:Q15796-1  SMAD family member 2 isoform Long (human)   organism-sequence PR:000036554  SMAD family member 2 isoform Long acetylated and phosphorylated 1 (human)   organism-modification PR:000025934  SMAD family member 2 isoform Long phosphorylated 1 (human)   organism-modification PR:000025935  SMAD family member 2 isoform Long phosphorylated 2 (human)   organism-modification PR:000025936  SMAD family member 2 isoform Long phosphorylated 3 (human)   organism-modification PR:000025937  SMAD family member 2 isoform Long phosphorylated 4 (human)   organism-modification PR:000045371  SMAD family member 2 isoform Long unphosphorylated 1 (human)   organism-modification PR:Q62432-1  SMAD family member 2 isoform Long (mouse)   organism-sequence PR:000025942  SMAD family member 2 isoform Long phosphorylated 1 (mouse)   organism-modification PR:000036482  SMAD family member 2 isoform Long phosphorylated and ubiquitinated form (mouse)   organism-modification PR:000036555  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1 (mouse)   organism-modification PR:000000572  SMAD family member 2 isoform Long acetylated and phosphorylated form   modification PR:000000649  SMAD family member 2 isoform Long acetylated and phosphorylated 1   modification PR:000036554  SMAD family member 2 isoform Long acetylated and phosphorylated 1 (human)   organism-modification PR:000000573  SMAD family member 2 isoform Long phosphorylated and ubiquitinated form   modification PR:000000654  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1   modification PR:000036555  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1 (mouse)   organism-modification PR:000036482  SMAD family member 2 isoform Long phosphorylated and ubiquitinated form (mouse)   organism-modification PR:000036555  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1 (mouse)   organism-modification PR:000000574  SMAD family member 2 isoform Long phosphorylated form   modification PR:000000572  SMAD family member 2 isoform Long acetylated and phosphorylated form   modification PR:000000649  SMAD family member 2 isoform Long acetylated and phosphorylated 1   modification PR:000036554  SMAD family member 2 isoform Long acetylated and phosphorylated 1 (human)   organism-modification PR:000000650  SMAD family member 2 isoform Long phosphorylated 1   modification PR:000025934  SMAD family member 2 isoform Long phosphorylated 1 (human)   organism-modification PR:000025942  SMAD family member 2 isoform Long phosphorylated 1 (mouse)   organism-modification PR:000000651  SMAD family member 2 isoform Long phosphorylated 2   modification PR:000025935  SMAD family member 2 isoform Long phosphorylated 2 (human)   organism-modification PR:000000652  SMAD family member 2 isoform Long phosphorylated 3   modification PR:000025936  SMAD family member 2 isoform Long phosphorylated 3 (human)   organism-modification PR:000000653  SMAD family member 2 isoform Long phosphorylated 4   modification PR:000025937  SMAD family member 2 isoform Long phosphorylated 4 (human)   organism-modification PR:000000573  SMAD family member 2 isoform Long phosphorylated and ubiquitinated form   modification PR:000000654  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1   modification PR:000036555  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1 (mouse)   organism-modification PR:000036482  SMAD family member 2 isoform Long phosphorylated and ubiquitinated form (mouse)   organism-modification PR:000036555  SMAD family member 2 isoform Long phosphorylated and ubiquitinated 1 (mouse)   organism-modification PR:000002570  SMAD family member 2 isoform Long unmodified form   modification PR:000026718  SMAD family member 2 isoform Long, initiator methionine removed form   modification PR:000000469  SMAD family member 2 isoform Short   sequence PR:Q15796-2  SMAD family member 2 isoform Short (human)   organism-sequence PR:000036556  SMAD family member 2 isoform Short acetylated and phosphorylated 1 (human)   organism-modification PR:000025938  SMAD family member 2 isoform Short phosphorylated 1 (human)   organism-modification PR:000045494  SMAD family member 2 isoform Short unphosphorylated 1 (human)   organism-modification PR:Q62432-2  SMAD family member 2 isoform Short (mouse)   organism-sequence PR:000025943  SMAD family member 2 isoform Short phosphorylated 1 (mouse)   organism-modification PR:000000575  SMAD family member 2 isoform Short acetylated and phosphorylated form   modification PR:000000655  SMAD family member 2 isoform Short acetylated and phosphorylated 1   modification PR:000036556  SMAD family member 2 isoform Short acetylated and phosphorylated 1 (human)   organism-modification PR:000000576  SMAD family member 2 isoform Short phosphorylated form   modification PR:000000575  SMAD family member 2 isoform Short acetylated and phosphorylated form   modification PR:000000655  SMAD family member 2 isoform Short acetylated and phosphorylated 1   modification PR:000036556  SMAD family member 2 isoform Short acetylated and phosphorylated 1 (human)   organism-modification PR:000000656  SMAD family member 2 isoform Short phosphorylated 1   modification PR:000025938  SMAD family member 2 isoform Short phosphorylated 1 (human)   organism-modification PR:000025943  SMAD family member 2 isoform Short phosphorylated 1 (mouse)   organism-modification PR:000002571  SMAD family member 2 isoform Short unmodified form   modification PR:000050146  SMAD family member 2 phosphorylated 1   modification PR:000050145  SMAD family member 2 phosphorylated 1 (human)   organism-modification PR:000028327  SMAD family member 2 unmodified form   modification PR:000002570  SMAD family member 2 isoform Long unmodified form   modification PR:000002571  SMAD family member 2 isoform Short unmodified form   modification PR:000025973  SMAD family member 2 isoform unmodified form   modification PR:000002570  SMAD family member 2 isoform Long unmodified form   modification PR:000002571  SMAD family member 2 isoform Short unmodified form   modification PR:000018296  SMAD family member 2, initiator methionine removed form   modification PR:000026718  SMAD family member 2 isoform Long, initiator methionine removed form   modification PR:000049281  SMAD family member 2, initiator methionine removed form (human)   organism-modification PR:000061944  SMAD family member 2 sequence variant A354T, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000060357  SMAD family member 2 sequence variant D300A, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000060862  SMAD family member 2 sequence variant D300N, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000060657  SMAD family member 2 sequence variant D300V, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000064349  SMAD family member 2 sequence variant P305L, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000062120  SMAD family member 2 sequence variant P305Q, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000063661  SMAD family member 2 sequence variant S464*, initiator methionine removed form (human)   organism-modification PR:000060522  SMAD family member 2 sequence variant S464L, initiator methionine removed form (human)   organism-modification PR:000063912  SMAD family member 2 sequence variant S467P, initiator methionine removed form (human)   organism-modification PR:000049282  SMAD family member 2, initiator methionine removed phosphorylated 1 (human)   organism-modification PR:000062419  SMAD family member 2, initiator methionine removed phosphorylated 2 (human)   organism-modification PR:000049283  SMAD family member 2, initiator methionine removed phosphorylated 5 (human)   organism-modification PR:000049284  SMAD family member 2, initiator methionine removed ubiquitinated form (human)   organism-modification PR:000064775  SMAD family member 2, initiator methionine removed phosphorylated and ubiquitinated 1 (human)   organism-modification PR:000000365  SMAD family member 3   gene PR:P84023  SMAD family member 3 (chicken)   organism-gene PR:P84022  SMAD family member 3 (human)   organism-gene PR:000061858  SMAD family member 3 ADP-ribosylated and phosphorylated 1 (human)   organism-modification PR:000073148  SMAD family member 3 cysteinylated 1 (human)   organism-modification PR:000065228  SMAD family member 3 deaminated 1 (human)   organism-modification PR:P84022-1  SMAD family member 3 isoform 1 (human)   organism-sequence PR:000036557  SMAD family member 3 isoform 1 acetylated and phosphorylated 1 (human)   organism-modification PR:000026333  SMAD family member 3 isoform 1 phosphorylated 1 (human)   organism-modification PR:P84022-2  SMAD family member 3 isoform h2 (human)   organism-sequence PR:P84022-3  SMAD family member 3 isoform h3 (human)   organism-sequence PR:P84022-4  SMAD family member 3 isoform h4 (human)   organism-sequence PR:000065534  SMAD family member 3 methylated 1 (human)   organism-modification PR:000074741  SMAD family member 3 methylated 2 (human)   organism-modification PR:000049285  SMAD family member 3 phosphorylated 1 (human)   organism-modification PR:000049286  SMAD family member 3 phosphorylated 2 (human)   organism-modification PR:000063368  SMAD family member 3 phosphorylated 3 (human)   organism-modification PR:000063639  SMAD family member 3 sequence variant D258N phosphorylated 1 (human)   organism-modification PR:000063580  SMAD family member 3 sequence variant R268C phosphorylated 1 (human)   organism-modification PR:000060563  SMAD family member 3 sequence variant R268H phosphorylated 1 (human)   organism-modification PR:000063486  SMAD family member 3 sequence variant S425C (human)   organism-sequence PR:000062539  SMAD family member 3 sequence variant S425F (human)   organism-sequence PR:000049287  SMAD family member 3 ubiquitinated form (human)   organism-modification PR:000064859  SMAD family member 3 phosphorylated and ubiquitinated 1 (human)   organism-modification PR:Q8BUN5  SMAD family member 3 (mouse)   organism-gene PR:Q8BUN5-1  SMAD family member 3 isoform 1 (mouse)   organism-sequence PR:000036558  SMAD family member 3 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000036560  SMAD family member 3 isoform 1 phosphorylated 2 (mouse)   organism-modification PR:000036561  SMAD family member 3 isoform 1 phosphorylated 3 (mouse)   organism-modification PR:P84025  SMAD family member 3 (rat)   organism-gene PR:000000475  SMAD family member 3 isoform 1   sequence PR:P84022-1  SMAD family member 3 isoform 1 (human)   organism-sequence PR:000036557  SMAD family member 3 isoform 1 acetylated and phosphorylated 1 (human)   organism-modification PR:000026333  SMAD family member 3 isoform 1 phosphorylated 1 (human)   organism-modification PR:Q8BUN5-1  SMAD family member 3 isoform 1 (mouse)   organism-sequence PR:000036558  SMAD family member 3 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000036560  SMAD family member 3 isoform 1 phosphorylated 2 (mouse)   organism-modification PR:000036561  SMAD family member 3 isoform 1 phosphorylated 3 (mouse)   organism-modification PR:000000577  SMAD family member 3 isoform 1 acetylated and phosphorylated form   modification PR:000000657  SMAD family member 3 isoform 1 acetylated and phosphorylated 1   modification PR:000036557  SMAD family member 3 isoform 1 acetylated and phosphorylated 1 (human)   organism-modification PR:000000578  SMAD family member 3 isoform 1 phosphorylated form   modification PR:000000577  SMAD family member 3 isoform 1 acetylated and phosphorylated form   modification PR:000000657  SMAD family member 3 isoform 1 acetylated and phosphorylated 1   modification PR:000036557  SMAD family member 3 isoform 1 acetylated and phosphorylated 1 (human)   organism-modification PR:000000658  SMAD family member 3 isoform 1 phosphorylated 1   modification PR:000026333  SMAD family member 3 isoform 1 phosphorylated 1 (human)   organism-modification PR:000036558  SMAD family member 3 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000000659  SMAD family member 3 isoform 1 phosphorylated 2   modification PR:000036560  SMAD family member 3 isoform 1 phosphorylated 2 (mouse)   organism-modification PR:000000660  SMAD family member 3 isoform 1 phosphorylated 3   modification PR:000036561  SMAD family member 3 isoform 1 phosphorylated 3 (mouse)   organism-modification PR:000027746  TGF-beta receptor-regulated SMAD family member protein phosphorylated form   modification PR:000027747  TGF-beta receptor-regulated SMAD family member protein phosphorylated form (human)   organism-modification PR:000027744  TGF-beta receptor-regulated SMAD family member protein unmodified form   modification PR:000027745  TGF-beta receptor-regulated SMAD family member protein unmodified form (human)   organism-modification PR:000000099  inhibitory SMAD family member protein   family PR:000000373  SMAD family member 6   gene PR:Q9W734  SMAD family member 6 (chicken)   organism-gene PR:O43541  SMAD family member 6 (human)   organism-gene PR:O43541-1  SMAD family member 6 isoform A (human)   organism-sequence PR:O43541-2  SMAD family member 6 isoform B (human)   organism-sequence PR:O43541-4  SMAD family member 6 isoform D (human)   organism-sequence PR:O35182  SMAD family member 6 (mouse)   organism-gene PR:O35182-1  SMAD family member 6 isoform 1 (mouse)   organism-sequence PR:000036564  SMAD family member 6 isoform 1 dimethylated 1 (mouse)   organism-modification PR:000000479  SMAD family member 6 isoform 1   sequence PR:O35182-1  SMAD family member 6 isoform 1 (mouse)   organism-sequence PR:000036564  SMAD family member 6 isoform 1 dimethylated 1 (mouse)   organism-modification PR:000000581  SMAD family member 6 isoform 1 dimethylated form   modification PR:000000662  SMAD family member 6 isoform 1 dimethylated 1   modification PR:000036564  SMAD family member 6 isoform 1 dimethylated 1 (mouse)   organism-modification PR:O43541-1  SMAD family member 6 isoform A (human)   organism-sequence PR:000000480  SMAD family member 6 isoform 2   sequence PR:O43541-2  SMAD family member 6 isoform B (human)   organism-sequence PR:000000374  SMAD family member 7   gene PR:O15105  SMAD family member 7 (human)   organism-gene PR:O15105-1  SMAD family member 7 isoform 1 (human)   organism-sequence PR:000036565  SMAD family member 7 isoform 1 acetylated 1 (human)   organism-modification PR:000036566  SMAD family member 7 isoform 1 phosphorylated 1 (human)   organism-modification PR:O15105-3  SMAD family member 7 isoform 3 (human)   organism-sequence PR:O15105-2  SMAD family member 7 isoform h2 (human)   organism-sequence PR:O35253  SMAD family member 7 (mouse)   organism-gene PR:O35253-1  SMAD family member 7 isoform A (mouse)   organism-sequence PR:000036932  SMAD family member 7 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000049801  SMAD family member 7 isoform A monomethylated 1 (mouse)   organism-modification PR:000049802  SMAD family member 7 isoform A unmethylated 1 (mouse)   organism-modification PR:O35253-2  SMAD family member 7 isoform B (mouse)   organism-sequence PR:O88406  SMAD family member 7 (rat)   organism-gene PR:000000481  SMAD family member 7 isoform 1   sequence PR:O15105-1  SMAD family member 7 isoform 1 (human)   organism-sequence PR:000036565  SMAD family member 7 isoform 1 acetylated 1 (human)   organism-modification PR:000036566  SMAD family member 7 isoform 1 phosphorylated 1 (human)   organism-modification PR:000000582  SMAD family member 7 isoform 1 acetylated form   modification PR:000000663  SMAD family member 7 isoform 1 acetylated 1   modification PR:000036565  SMAD family member 7 isoform 1 acetylated 1 (human)   organism-modification PR:000000583  SMAD family member 7 isoform 1 phosphorylated form   modification PR:000000664  SMAD family member 7 isoform 1 phosphorylated 1   modification PR:000036566  SMAD family member 7 isoform 1 phosphorylated 1 (human)   organism-modification PR:000036932  SMAD family member 7 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000000584  SMAD family member 7 isoform 1 ubiquitinated form   modification PR:000000665  SMAD family member 7 isoform 1 ubiquitinated 1   modification PR:O35253-1  SMAD family member 7 isoform A (mouse)   organism-sequence PR:000036932  SMAD family member 7 isoform 1 phosphorylated 1 (mouse)   organism-modification PR:000049801  SMAD family member 7 isoform A monomethylated 1 (mouse)   organism-modification PR:000049802  SMAD family member 7 isoform A unmethylated 1 (mouse)   organism-modification PR:000038037  SMAD family member 7 isoform 3   sequence PR:O15105-3  SMAD family member 7 isoform 3 (human)   organism-sequence PR:O35253-2  SMAD family member 7 isoform B (mouse)   organism-sequence