[Term] id: PR:000021332 name: small ribosomal subunit protein eS4, X isoform, initiator methionine removed form def: "A small ribosomal subunit protein eS4, X isoform that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "RPS4X/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000014277 ! small ribosomal subunit protein eS4, X isoform intersection_of: lacks_part PR:000021937 ! initiator methionine