[Term] id: PR:P61769 name: beta-2-microglobulin (human) def: "A beta-2-microglobulin that is encoded in the genome of human." [PRO:DNx, UniProtKB:P61769] comment: Category=organism-gene. synonym: "B2M" RELATED Gene-based [UniProtKB:P61769] synonym: "hB2M" EXACT PRO-short-label [PRO:DNx] synonym: "HDCMA22P" RELATED Gene-based [UniProtKB:P61769] synonym: "CDABP0092" RELATED Gene-based [UniProtKB:P61769] xref: UniProtKB:P61769 intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens intersection_of: PR:000004580 ! beta-2-microglobulin relationship: has_gene_template HGNC:914 ! B2M (human) [Term] id: PR:000004580 name: beta-2-microglobulin def: "A protein that is a translation product of the human B2M gene or a 1:1 ortholog thereof." [PRO:DNx] comment: Category=gene. synonym: "B2M" EXACT PRO-short-label [PRO:DNx] synonym: "HDCMA22P" RELATED Gene-based [] synonym: "CDABP0092" RELATED Gene-based [] is_a: PR:000000001 ! protein [Term] id: PR:000036227 name: beta-2-microglobulin acetylated 1 (human) def: "A beta-2-microglobulin that is N-terminal Met acetylated in human. UniProtKB:P61769, Met-1, MOD:00058." [TDR:1687] comment: Category=organism-modification. Note: Top down proteomics. Evidence=(ECO:0000006). synonym: "hB2M/Ac:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P61769, Met-1, MOD:00058" EXACT PRO-proteoform-std [PRO:DNx] xref: TDR:1687 xref: TDR:16320 is_a: PR:000004580 ! beta-2-microglobulin relationship: has_part MOD:00058 ! N-acetyl-L-methionine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens [Term] id: PR:000046452 name: beta-2-microglobulin, signal peptide removed form (human) def: "A beta-2-microglobulin (human) that has had the signal peptide removed. UniProtKB:P61769, 21-119." [PRO:DNx, Reactome:R-HSA-1236827, Reactome:R-HSA-1236891, Reactome:R-HSA-1302721, Reactome:R-HSA-167743, Reactome:R-HSA-182298, Reactome:R-HSA-8863880, Reactome:R-HSA-983063, Reactome:R-HSA-983378, Reactome:R-HSA-983403] comment: Category=organism-modification. synonym: "hB2M/SigPep-" EXACT PRO-short-label [PRO:DNx] synonym: "PRO_0000018779" EXACT PRO-proteoform-ftid [PRO:DNx] synonym: "UniProtKB:P61769, 21-119" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-167743 "PR:000046452 located_in GO:0005886" xref: Reactome:R-HSA-182298 "PR:000046452 located_in GO:0031901" xref: Reactome:R-HSA-983063 "PR:000046452 located_in GO:0005788" xref: Reactome:R-HSA-983378 "PR:000046452 located_in GO:0012507" xref: Reactome:R-HSA-983403 "PR:000046452 located_in GO:0000139" xref: Reactome:R-HSA-1236827 "PR:000046452 located_in GO:0031905" xref: Reactome:R-HSA-1236891 "PR:000046452 located_in GO:0030670" xref: Reactome:R-HSA-1302721 "PR:000046452 located_in GO:0005576" xref: Reactome:R-HSA-6806144 "PR:000046452 located_in GO:0035580" xref: Reactome:R-HSA-6800179 "PR:000046452 located_in GO:1904724" xref: Reactome:R-HSA-8863880 "PR:000046452 located_in GO:0055038" xref: TDR:1015 intersection_of: PR:P61769 ! beta-2-microglobulin (human) intersection_of: lacks_part SO:0000418 ! signal_peptide relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens [Term] id: PR:P61769-1 name: beta-2-microglobulin isoform 1 (human) def: "A beta-2-microglobulin isoform 1 that is encoded in the genome of human." [PMID:17968930, SALO:AJ] comment: Category=organism-sequence. Salivary Sjogren's syndrome biomarker. synonym: "hB2M/iso:1" EXACT PRO-short-label [PRO:DNx] xref: UniProtKB:P61769-1 intersection_of: only_in_taxon NCBITaxon:9606 ! Homo sapiens intersection_of: PR:000025659 ! beta-2-microglobulin isoform 1