>2xxfB (B:) observed residues (from ATOM records)
dadklphtkvtlvappqvhpheqatksgpkvveftmtieekkmviddkgttlqamtfngs
mpgptlvvhegdyvqltlvnpatnamphnvdfhgatgalggakltnvnpgeqatlrfkad
rsgtfvyhcapegmvpwhvvsgmsgtlmvlprdglkdpqgkplhydraytigefdlyipk
gpdgkykdyatlaesygdtvqvmrtltpshivfngkvgaltganaltakvgetvllihsq
anrdtrphliggfgdwvwetgkfanppqrdletwfirggsagaalytfkqpgvyaylnhn
lieafelgaaghikvegkwnddlmkqikapapipr