[Term] id: PR:000073473 name: beta-galactosidase sequence variant W509C, mature form (human) def: "A beta-galactosidase (human) that has a Cys residue at the position equivalent to Trp-509 of the amino acid sequence represented by UniProtKB:P16278-1 and that has had the signal peptide and propeptide removed. Example: UniProtKB:P16278-1, 29-677, Trp-509, CHEBI:29950." [PRO:DNx, Reactome:R-HSA-2262732] comment: Category=organism-modification. synonym: "hGLB1/var:W509C/mature" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P16278, 29-677, Trp-509, CHEBI:29950" EXACT PRO-proteoform-std [PRO:DNx] synonym: "UniProtKB:P16278-1, 29-677, Trp-509, CHEBI:29950" NARROW PRO-proteoform-std [PRO:DNx] synonym: "GLB1 W509C" RELATED Reactome-displayName [PRO:DNx, Reactome:R-HSA-2262732] xref: Reactome:R-HSA-2262732 "PR:000073473 located_in GO:0043202" is_a: PR:P16278 ! beta-galactosidase (human) relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens relationship: lacks_part SO:0000418 ! signal_peptide relationship: lacks_part SO:0001062 ! propeptide