>2freB (B:) SEQRES residues mtnsnnrqseypvdplfldrwsprafdgspmpkehlltildaahwapsasnhqpwrfvya hkdsedwplfvellmegnqkwaknasvllfvisrdhtishegekkpsathsfdagaawfs lamqahllgyhahgmggifkdrivekldipdgfkveagvaigtltdksilpddlaerevp skrvpladvafegrftgkad