>sp|P99026|PSB4_MOUSE Proteasome subunit beta type-4 OS=Mus musculus GN=Psmb4 MEAFWESRAGHWAGGPAPGQFYRIPATPSGLMDPASAPCEGPITRTQNPMVTGTSVLGVK FDGGVVIAADMLGSYGSLARFRNISRIMRVNDSTMLGASGDYADFQYLKQVLGQMVIDEE LLGDGHSYSPRAIHSWLTRAMYSRRSKMNPLWNTMVIGGYADGESFLGYVDMLGVAYEAP SLATGYGAYLAQPLLREVLEKQPVLSQTEARELVERCMRVLYYRDARSYNRFQIATVTEK GVEIEGPLSAQTNWDIAHMISGFE