>7apz_B mol:protein length:225 MHC class II beta chain 2KMSMSTMNMPMAMKVGGGGSGGGGSGGGGSSAFFFCGAIFECHYLNGTERVRYLQRYIYNRQQLVHFDSDVGKFVADTPLGEPQAEYWNSNAELLENIMNIADGSCRHNYGILESFTVQRSVEPKVRVSALQSGSLPETDRLACYVTGFYPPEIEVKWFLNGREETERVVSTDVMQNGDWTYQVLVVLETVPRRGDSYVCRVEHASLRQPISQAWEPPADAGRSK