>sp|P28024|PSB4_XENLA Proteasome subunit beta type-4 OS=Xenopus laevis GN=psmb4
ESVARGTAPGELHCFPGAGPVRHTLNPMVTGTSVLGVKFDGGVIIAADMLGSYGSLARFR
NISRIMKVNENTILGASGDYADYQYLKQVIDQMVIDEELVGDGHNYSPKAIHSWLTRVMY
NRRSKMNPLWNTVVIGGFYNGESFLGYVDKLGVAYEAPTIATGFGAYLAQPLLREVTENK
ATLSKEEARQLVDRCMKVLYYRDARSYNRFEITTVTESGVEVEGPLSSETNWEIAHLISG
FE