>3kg5_B mol:protein length:134 B-cell antigen receptor complex-associated protein beta chain VPAARSEDRYRNPKGSACSRIWQSPRFIARKRGFTVKMHCYMNSASGNVSWLWKQEMDE NPQQLKLEKGRMEESQNESLATLTIQGIRFEDNGIYFCQQKCNNTSEVYQGCGTELRVM GFSTLAQLKQRNTLKD