>sp|Q9NHC6|PSB2_TRYBB Proteasome subunit beta type-2 OS=Trypanosoma brucei brucei OX=5702 GN=PSB4 PE=2 SV=1 MAETTIGFRCQDFVLVAAAGLNAFYYIKITDTEDKITELDSHKVVACAGENGPRTHFVEY VKCNMALKKMREHGRMISTHATASFMRNTLAGALRSRDGLYPVNCLLAGFDVPASAEDDV ATGAHLYYLDYLGTLQEVPYGCHGYGAPFVTAMLDRMWRPNLTAQEGVELMQKCCDEVNK RVVVSNNTFICKAVPKDGVERVQSVS