>2cw2B (B:) observed residues (from ATOM records)
gpfqcpplpyvknalephmsaetltyhhdkhhqtyvdtlnsiaaenstiasktleqiikt
etgkpfnqaaqvynhtfffnnlapngggeptgkiaelitrdfgsfekfkedfsaaavghf
gsgwvwliaddgklkivqghdagnpiresktplmnidvwehayyidyrnaraqyvknywn
lvnwdfvndnvakagi