>4xcwB (B:) SEQRES residues qgmqtihigvlsasdraskgvyedlsgkaiqevlseyllnplefhyeivaderdlieksl ikmcdeyqcdlvvttggtgpalrditpeatkkvcqkmlpgfgelmrmtslkyvptailsr qsagirnksliinlpgkpksirecleavfpaipycvdlilgnymqvnekniqafrpkq