>gi|221316716 proteasome alpha 1 subunit isoform 3 [Homo sapiens] MFRNQYDNDVTVWSPQGRIHQIEYAMEAVKQGSATVGLKSKTHAVLVALK RAQSELAAHQKKILHVDNHIGISIAGLTADARLLCNFMRQECLDSRFVFD RPLPVSRLVSLIGSSILFMLAFMDMNFEGF