>3etrB (B:) SEQRES residues pkqlrfegervtwiqastlkelldlkaqhpeaklvvgnteigiemkfknqlfpmiicpaw ipelnavehgpegisfgaacalssvektlleavaklptqktevfrgvleqlrwfagkqvk svaslggniitaspisdlnpvfmasgtkltivsrgtrrtvpmdhtffpsyrktllgpeei llsieipysredeffsafkqasrreddiakvtcgmrvlfqpgsmqvkelalcyggmadrt isalkttqkqlskfwnekllqdvcaglaeelslspdapggmiefrrtltlsfffkfyltv lkklg