Protein
Per os infectivity factor 4
Organism
Autographa californica nuclear polyhedrosis virus
Function
Per os factor that plays an essential role in the initiation of host midgut infection. May form a specific complex with PIF1, PIF2 and P74 to bind host receptors.
Similarity
Belongs to the baculoviridae 19 kDa protein family.
Sequence
MLSIMLAIVFVLFVLIYLIISIKNHHPFLHRIETLIQDFNNTLLFGAYVQIYDLSTPARTERLFIIAPENVVLYNFNKTLYYYLDSANVFCPNEFSVTTFTQSTIKTINETGIYATACTPVSSLTLIEHFATLKNNVPDHTLVLDVVDQQIQFSILDIINYLIYNGYVDLLAE