PRO_ID Object_term Object_syny Modifier Relation Ontology_ID Ontology_term Relative_to Interaction_with Evidence_source Evidence_code Taxon Inferred_from DB_ID Date Assigned_by Comment PR:000026334 smad1 isoform 1 phosphorylated 1 (human) hSMAD1/iso:1/Phos:1|phospho-R-smad1 (human)|UniProtKB:Q15797-1, Ser-463/Ser-465, MOD:00046 located_in GO:0005634 nucleus PMID:11509558|PMID:9759503 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:000026334 smad1 isoform 1 phosphorylated 1 (human) hSMAD1/iso:1/Phos:1|phospho-R-smad1 (human)|UniProtKB:Q15797-1, Ser-463/Ser-465, MOD:00046 acts_upstream_of_or_within GO:0007165 signal transduction PMID:9759503 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:000026334 smad1 isoform 1 phosphorylated 1 (human) hSMAD1/iso:1/Phos:1|phospho-R-smad1 (human)|UniProtKB:Q15797-1, Ser-463/Ser-465, MOD:00046 acts_upstream_of_or_within GO:0030509 BMP signaling pathway PMID:8653785 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:000026334 smad1 isoform 1 phosphorylated 1 (human) hSMAD1/iso:1/Phos:1|phospho-R-smad1 (human)|UniProtKB:Q15797-1, Ser-463/Ser-465, MOD:00046 enables GO:0046332 SMAD binding PR:Q13485 PMID:9136927 IPI NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:000036553 smad1 isoform 1 phosphorylated and ubiquitinated 1 (human) hSMAD1/iso:1/PhosUbiq:1|UniProtKB:Q15797-1, Ser-463/Ser-465, MOD:00046|MOD:01148 acts_upstream_of_or_within GO:0030514 negative regulation of BMP signaling pathway PMID:12857866 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:Q15797-1 mothers against decapentaplegic homolog 1 isoform 1 (human) hSMAD1/iso:1 acts_upstream_of_or_within GO:0007165 signal transduction PMID:8637600 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:Q15797-1 mothers against decapentaplegic homolog 1 isoform 1 (human) hSMAD1/iso:1 acts_upstream_of_or_within GO:0030509 BMP signaling pathway PMID:8653785 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:Q15797-1 mothers against decapentaplegic homolog 1 isoform 1 (human) hSMAD1/iso:1 located_in GO:0005737 cytoplasm PMID:11509558 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:Q15797-1 mothers against decapentaplegic homolog 1 isoform 1 (human) hSMAD1/iso:1 enables GO:0005102 signaling receptor binding PMID:9136927|PMID:9748228 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:Q15797-1 mothers against decapentaplegic homolog 1 isoform 1 (human) hSMAD1/iso:1 enables GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific PMID:10708949 IDA NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA PR:Q15797-1 mothers against decapentaplegic homolog 1 isoform 1 (human) hSMAD1/iso:1 enables GO:0005515 protein binding PR:Q7Z3T8 PMID:17356069 IPI NCBITaxon:9606 UniProtKB:Q15797-1 20080301 PRO:CNA