>tr|A0A8B9WBP0|A0A8B9WBP0_BOSMU Proteasome subunit beta OS=Bos mutus grunniens GN=PSMB4 MEALLESRSGLWAGGPAPGQFYRIPPTPGSSVDPVSALYGSPITRTQNPMVTGTSVLGLK FEGGVVIAADMLGSYGSLARFRNISRIMRVNNSTMLGASGDYADFQYLKQVLGQMVIDEE LLGDGHSYSPKAIHSWLTRAMYSRRSKMNPLWNTMVIGGYADGESFLGYVDMLGVAYEAP SLATGYGAYLAQPLLREVLEKQPVLSQTEARELVERCMRVLYYRDARSYNRFQIATVTEK GVEIEGPLSAETNWDIAHMISGFE