>7bxzB (B:) observed residues (from ATOM records)
miisefdrnnpvlkdqlsdllrltwpeeygdssaeeveemmnperiavaavdqdelvgfi
gaipqygitgwelhplvvessrrknqigtrlvnylekevasrggitiylgtddldhgttl
sqtdlyvhtfdkvasiqnlrehpyefyeklgykivgvlpnangwdkpdiwmaktiiprpd