>3srvA (A:) observed residues (from ATOM records)
yldrklltledkelgnfgtvkkgyyqmkkvvktvavkilkalkdellaeanvmqqldnpy
ivrmigiceaeswmlvmemaelgplnkylqqnrhvkdkniielvhqvsmgmkyleesnfv
hrdlaarnvllvtqhyakisdfglskalradenyykaqthgkwpvkwyapecinyykfss
ksdvwsfgvlmweafsygqkpyrgmkgsevtamlekgermgcpagcpremydlmnlcwty
dvenrpgfaavelrlrnyyydvv