>1i3r_C mol:protein length:192  H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN
IKEEHTIIQAQFYLLPDKRGEFMFDFDGDEIFHVDIEKSETIWRLEEFAKFASFEAQGA
LANIAVNKANLDVMKERSNNTPDANVAPEVTVLSRSPVNLGEPNILICFIDKFSPPVVN
VTWLRNGRPVTEGVSETVFLPRDDHLFRKFHYLTFLPSTDDFYDCEVDHWGLEEPLRKH
WEFEEKTLLPETKEN