[Term] id: PR:000048128 name: mast/stem cell growth factor receptor Kit, signal peptide removed phosphorylated 1 (human) def: "A mast/stem cell growth factor receptor Kit (human) that has had the signal peptide removed and has been post-translationally modified to include phosphoserine at positions 741 and 746 of the amino acid sequence represented by UniProtKB:P10721. UniProtKB:P10721, 26-976, Ser-741/Ser-746, MOD:00046." [PRO:DNx, Reactome:R-HSA-1433492] comment: Category=organism-modification. synonym: "hKIT/SigPep-/Phos:1" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000016754, Ser-741/Ser-746, MOD:00046" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:P10721, 26-976, Ser-741/Ser-746, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-1433492 "PR:000048128 located_in GO:0005886" is_a: PR:P10721 ! mast/stem cell growth factor receptor Kit (human) relationship: has_part MOD:00046 ! O-phospho-L-serine relationship: lacks_part SO:0000418 ! signal_peptide relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens