>2o23A (A:) observed residues (from ATOM records)
rsvkglvavitggasglglataerlvgqgasavlldlpnsggeaqakklgnncvfapadv
tsekdvqtalalakgkfgrvdvavncagiavasktynlkkgqthtledfqrvldvnlmgt
fnvirlvagemgqnepdqggqrgviintasvaafegqvgqaaysaskggivgmtlpiard
lapigirvmtiapglfgtpnflasqvpfpsrlgdpaeyahlvqaiienpflngevirldg
airmqpgs