>sp|P04230|HB21_MOUSE H-2 class II histocompatibility antigen, E-B beta chain OS=Mus musculus OX=10090 GN=H2-Eb1 PE=1 SV=1
MVWLPRVPCVAAVILLLTVLSPPMALVRDSRPWFLEYCKSECHFYNGTQRVRLLERYFYN
LEENLRFDSDVGEFHAVTELGRPDAENWNSQPEFLEQKRAEVDTVCRHNYEISDKFLVRR
RVEPTVTVYPTKTQPLEHHNLLVCSVSDFYPGNIEVRWFRNGKEEKTGIVSTGLVRNGDW
TFQTLVMLETVPQSGEVYTCQVEHPSLTDPVTVEWKAQSTSAQNKMLSGVGGFVLGLLFL
GAGLFIYFRNQKGQSGLQPTGLLS