[Term] id: PR:000048505 name: myosin regulatory light polypeptide 9, initiator methionine removed phosphorylated 1 (human) def: "A myosin regulatory light polypeptide 9 (human) that has had the initiator methionine removed and has been post-translationally modified to include phosphoserine at position 20 of the amino acid sequence represented by UniProtKB:P24844. UniProtKB:P24844, 2-172, Ser-20, MOD:00046." [PRO:DNx, Reactome:R-HSA-445798] comment: Category=organism-modification. synonym: "hMYL9/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000198735, Ser-20, MOD:00046" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:P24844, 2-172, Ser-20, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-445798 "PR:000048505 located_in GO:0005829" is_a: PR:P24844 ! myosin regulatory light polypeptide 9 (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: lacks_part PR:000021937 ! initiator methionine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens