>6y81A (A:) observed residues (from ATOM records)
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krtyrelrllkhmkhenviglldvftparsleefndvylvthlmgadlnnivkcqkltdd
hvqfliyqilrglkyihsadiihrdlkpsnlavnedselkildfglyvatrwyrapeiml
nwmhynqtvdiwsvgcimaelltgrtlfpgtdhidqlklilrlvgtpgaellkkissesa
rnyiqslaqmpkmnfanvfiganplavdllekmlvldsdkritaaqalahayfaqyhdpd
depvadpydqsfesrdllidewksltydevisfvpppldqeeme