>1khcA (A:) observed residues (from ATOM records) teyqddkefgigdlvwgkikgfswwpamvvswkatskrqampgmrwvqwfgdgkfseisa dklvalglfsqhfnlatfnklvsyrkamyhtlekarvragktfssspgesledqlkpmle wahggfkptgieglkpn