>2v41B (B:) observed residues (from ATOM records)
gitlgevfpnfeadstigklkfhdwlgnswgvlfshprdftpvsttelgrviqlegdfkk
rgvklialscdnvadhkewsedvkclsgvkgdmpypiiadetrelavklgmvdpdertst
gmpltcravfiigpdkklklsilypattgrnfseilrvidslqltaqkkvatpadwqpgd
rcmvvpgvsaeeaktlfpnmevkavpsgkgylrytpqpks