>sp|P04231|HB23_MOUSE H-2 class II histocompatibility antigen, E-S beta chain (Fragment) OS=Mus musculus OX=10090 GN=H2-Eb1 PE=1 SV=1
WFLEYSTSECHFYNGTQRVRLLERYFYNLEENLRFDSDVGEFRAVTELGRPDAENWNSQP
EFLEQRRAAVDTYCRHNYEILDKFLVPRRVEPTVTVYPTKTQPLEHHNLLVCSVSDFYPG
NIEVRWFRNGKEEKTGIVSTGLVRNGDWTFQTLVMLETVPQSGEVYTCQVEHPSLTDPVT
VEWKAQSTSAQNKMLSGVGGFVLGLLFLGAGLFIYFRNQKGQSGLQPTGLLS