>tr|A0A8B9Z1J1|A0A8B9Z1J1_BOSMU Proteasome subunit beta OS=Bos mutus grunniens MAATLVAARGTRPAPAWGPEAIAPDWENREVSTGTTIMAVQFDGGVVLGADSRTTTGSYI ANRVTDKLTPIHDRIFCCRSGSAADTQAVADAVTYQLGFHSIELNEPPLVHTAASLFKEM CYRYREDLMAGIIIAGWDPQEGGQVYSVPMGGMMVRQPFAIGGSGSSYIYGYVDATYREG MTKEECLQFTANALALAMERDGSSGGVIRLAAIAEPGVERQVLLGDQIPKFTIATLPPL