>4fl1A (A:) observed residues (from ATOM records)
vyldrklltledkelgsgnfgtvkkgyyqmkkvvktvavkilkpalkdellaeanvmqql
dnpyivrmigiceaeswmlvmemaelgplnkylqqnrhvkdkniielvhqvsmgmkylee
snfvhrdlaarnvllvtqhyakisdfglskalradenyykaqthgkwpvkwyapecinyy
kfssksdvwsfgvlmweafsygqkpyrgmkgsevtamlekgermgcpagcpremydlmnl
cwtydvenrpgfaavelrlrnyyydvvn