>sp|P06345|HB2S_MOUSE H-2 class II histocompatibility antigen, A-S beta chain OS=Mus musculus OX=10090 GN=H2-Ab1 PE=1 SV=1
MALQIPSLLLSAAVVVLMVLSSPGTEGGDSERHFVFQFKGECYFTNGTQRIRSVDRYIYN
REEYLRFDSDVGEYRAVTELGRPDAEYYNKQYLEQTRAELDTVCRHNYEGVETHTSLRRL
EQPNVVISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRNGQEETVGVSSTQLISNGDWT
FQVLVMLEMTPRRGEVYTCHVEHPSLKSPITVEWRAQSESARSKMLSGIGGCVLGVIFLG
LGLFIRHRSQKGPRGPPPAGLLQ