>1zkgB (B:) observed residues (from ATOM records)
lskrdailkaavevfgkkgydrattdeiaekagvakglifhyfknkeelyyqaymsvtek
lqkefenflmknrnrdifdfmerwiekkleysashpeeadflitlvsvdeglrkrilldl
eksqrvffdfvreklkdldlaedvteeialkflmwffsgfeevylrtyqgkpellkrdmn
tlveevkvmlrilkkgmtk