[Term] id: PR:000049308 name: small nuclear ribonucleoprotein-associated proteins B and B' symmetrically-dimethylated 1 (human) def: "A small nuclear ribonucleoprotein-associated proteins B and B' (human) that has been post-translationally modified to include symmetric dimethyl-L-arginine at positions 108 and 112 of the amino acid sequence represented by UniProtKB:P14678. UniProtKB:P14678, Arg-108/Arg-112, MOD:00076." [PRO:DNx, Reactome:R-HSA-192213, Reactome:R-HSA-192218] comment: Category=organism-modification. synonym: "hSNRPB/Me2s:1" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P14678, Arg-108/Arg-112, MOD:00076" EXACT PRO-proteoform-std [PRO:DNx] xref: Reactome:R-HSA-192213 "PR:000049308 located_in GO:0005654" xref: Reactome:R-HSA-192218 "PR:000049308 located_in GO:0005829" is_a: PR:P14678 ! small nuclear ribonucleoprotein-associated proteins B and B' (human) relationship: has_part MOD:00076 ! symmetric dimethyl-L-arginine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens