POP4 GI:5729986 processing of precursor 4 1 mksviyhals qkeandsdvq psgaqraeaf vraflkrstp rmspqaredq 50 51 lqrkavvley ftrhkrkekk kkakglsarq rrelrlfdik peqqryslfl 100 101 plhelwkqyi rdlcsglkpd tqpqmiqakl lkadlhgaii svtkskcpsy 150 151 vgitgillqe tkhifkiitk edrlkvipkl ncvftvetdg fisyiygskf 200 201 qlrssersak kfkakgtidl