>3w3zB (B:) observed residues (from ATOM records)
epqvqfklvlvgdggtgkttfvkrhltgefekkyvatlgvevhplvfhtnrgpikfnvwd
tagqekfgglrdgyyiqaqcaiimfdvtsrvtyknvpnwhrdlvrvcenipivlcgnkvd
ikdrkvkaksivfhrkknlqyydisaksnynfekpflwlarkligdpnlef