>1fvaA (A:) observed residues (from ATOM records)
vspqealpgrkeplvvaakhhvngnrtvepfpegtqmavfgmgcfwgaerkfwtlkgvys
tqvgfaggytpnptykevcsgktghaevvrvvfqpehisfeellkvfwenhdptqgmrqg
ndhgsqyrsaiyptsaehvgaalkskedyqkvlsehgfglittdiregqtfyyaedyhqq
ylskdpdgycglggtgvscp