[Term] id: PR:000048977 name: glycogen phosphorylase, liver form, initiator methionine removed pyridoxal phosphate lysine 1 (human) def: "A glycogen phosphorylase, liver form (human) that has had the initiator methionine removed and has been post-translationally modified to include pyridoxal phosphate lysine at position 681 of the amino acid sequence represented by UniProtKB:P06737. UniProtKB:P06737, 2-847, Lys-681, MOD:00128." [PRO:DAN, Reactome:R-HSA-71580] comment: Category=organism-modification. synonym: "hPYGL/InitMet-/Pyrdox:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000188524, Lys-681, MOD:00128" EXACT PRO-proteoform-ftid [PRO:DAN] synonym: "UniProtKB:P06737, 2-847, Lys-681, MOD:00128" EXACT PRO-proteoform-std [PRO:DAN] xref: Reactome:R-HSA-6801505 "PR:000048977 located_in GO:1904813" xref: Reactome:R-HSA-6801509 "PR:000048977 located_in GO:0034774" xref: Reactome:R-HSA-6801551 "PR:000048977 located_in GO:0005576" xref: Reactome:R-HSA-71580 "PR:000048977 located_in GO:0005829" is_a: PR:P06737 ! glycogen phosphorylase, liver form (human) relationship: has_part MOD:00128 ! N6-pyridoxal phosphate-L-lysine relationship: lacks_part PR:000021937 ! initiator methionine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens