>sp|A3Q193|PSB_MYCSJ Proteasome subunit beta OS=Mycobacterium sp. GN=prcB MTWPHFEQLAFPDLSRHSSHSTTRGVPSVPMDLSSFSDMLRRQAPHLLPFRGDASLTPTD AVPHGTTIVALKFPGGVVMAGDRRATQGNMIASRDVQKVYITDDYTATGIAGTAAIAVEF ARLYAVELEHYEKLEGVALTFAGKVNRLATMVRGNLGAALQGFVALPLLAGFDLDDPDPQ AAGRIVSFDAAGGHNLEEEGFQSVGSGSIFAKSSMKKLYHQVTDADSALRVAVEALYDAA DDDSATGGPDLVRGIFPTAVLITADGAEEVTQERIAGLAREVIQNRSRADTFGPDAHAPR GTDS