>3kg5_A mol:protein length:134 B-cell antigen receptor complex-associated protein beta chain VPAARSEDRYRNPKGSACSRIWQSPRFIARKRGFTVKMHCYMNSASGNVSWLWKQEMDE NPQQLKLEKGRMEESQNESLATLTIQGIRFEDNGIYFCQQKCNNTSEVYQGCGTELRVM GFSTLAQLKQRNTLKD