>4xg2A (A:) observed residues (from ATOM records)
yldrklltleelgstvkkgyyqmkkvvktvavkilknpalkdellaeanvmqqldnpyiv
rmigiceaeswmlvmemaelgplnkylqqnrhvkdkniielvhqvsmgmkyleesnfvhr
dlaarnvllvtqhyakisdfglskalradenyykakwpvkwyapecinyykfssksdvws
fgvlmweafsygqkpyrgmkgsevtamlekgermgcpagcpremydlmnlcwtydvenrp
gfaavelrlrnyyydvvnl