[Term] id: PR:000049856 name: protein kinase C beta type isoform Beta-II, initiator methionine removed unphosphorylated 2 (human) def: "A protein kinase C beta type isoform Beta-II (human) that has had the initiator methionine removed and has been post-translationally modified to include phosphothreonine at position 500,a phosphothreonine at position 641 and a phosphoserine at position 660. UniProtKB:P05771-2, 2-673, Thr-500/Thr-641/Ser-660, PR:000026291." [PRO:KER, PMID:8749392] comment: Category=organism-modification. Evidence=(ECO:0000006, based on PMID:8749392). synonym: "hPRKCB/iso:Beta-II/InitMet-/UnPhos:2" EXACT PRO-short-label [PRO:DNx] synonym: "UniProtKB:P05771-2, 2-673, Thr-500/Thr-641/Ser-660, PR:000026291" EXACT PRO-proteoform-std [PRO:DNx] is_a: PR:P05771-2 ! protein kinase C beta type isoform Beta-II (human) relationship: lacks_part PR:000021937 ! initiator methionine relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens