POMP GI:7705429 proteasome maturation protein 1 mnarglgsel kdsipvtels asgpfeshdl lrkgfscvkn ellpshplel 50 51 seknfqlnqd kmnfstlrni qglfaplklq mefkavqqvq rlpflsssnl 100 101 sldvlrgnde tigfedilnd psqsevmgep hlmveyklgl l