[Term] id: PR:000020974 name: phosphoinositide 3-kinase regulatory subunit 4, initiator methionine removed form def: "A phosphoinositide 3-kinase regulatory subunit 4 that has had the initiator methionine removed." [PRO:DNx] comment: Category=modification. synonym: "PIK3R4/InitMet-" EXACT PRO-short-label [PRO:DNx] intersection_of: PR:000012727 ! phosphoinositide 3-kinase regulatory subunit 4 intersection_of: lacks_part PR:000021937 ! initiator methionine