>1sr6B (B:) observed residues (from ATOM records)
pqkqiqemkeafsmidvdrdgfvskedikaiseqlgrapddkeltamlkeapgplnftmf
lsifsdklsgtdseetirnafamfdeqetkklnieyikdllenmgdnfnkdemrmtfkea
pveggkfdyvkftamikgsgeeea