has part has pathway PERK signaling to eIF2a [PERK - eIF2A pathway] PERK signaling (integrated pathway) PERK signal transduction pathway changing activity of eIF2a by PERK [PERK - eIF2A pathway] PERK-eIF2a signaling (integrated pathway) PERK-eIF2a signaling (integrated pathway) is a subtype of PERK signaling (integrated pathway): Sequence of linked reactions, which has PERK-eIF2a signaling and gene regulation pathway. receiving signal in PERK signal transduction pathway [PERK pathway] eIF2a gene regulation pathway regulation of translation by eIF2a [ER stress]