[Term]
id: PR:000049502
name: troponin I, cardiac muscle, initiator methionine removed phosphorylated 1 (human)
def: "A troponin I, cardiac muscle (human) that has had the initiator methionine removed and has been post-translationally modified to include phosphoserine at positions 23 and 24 of the amino acid sequence represented by UniProtKB:P19429. UniProtKB:P19429, 2-210, Ser-23/Ser-24, MOD:00046." [PRO:DNx, Reactome:R-HSA-5617219]
comment: Category=organism-modification.
synonym: "hTNNI3/InitMet-/Phos:1" EXACT PRO-short-label [PRO:DNx]
synonym: "PRO_0000186151, Ser-23/Ser-24, MOD:00046" EXACT PRO-proteoform-ftid [PRO:DNx]
synonym: "UniProtKB:P19429, 2-210, Ser-23/Ser-24, MOD:00046" EXACT PRO-proteoform-std [PRO:DNx]
xref: Reactome:R-HSA-5617219 "PR:000049502 located_in GO:0005829"
is_a: PR:P19429 ! troponin I, cardiac muscle (human)
relationship: has_part MOD:00046 ! O-phospho-L-serine
relationship: lacks_part PR:000021937 ! initiator methionine
relationship: only_in_taxon NCBITaxon:9606 ! Homo sapiens