>4bsqA (A:) observed residues (from ATOM records)
tlpdtvdwrekgcvtevkyqgscgacwafsavgalegqlklktgklislsaqnlvdcsne
ekygnkgcgggymteafqyiidnggieadasypykamdekchynsknraatcsryiqlpf
gdedalkeavatkgpvsvgidashssfffyksgvyddpsctgnvnhgvlvvgygtldgkd
ywlvknswglnfgdqgyirmarnnknhcgiasycsypei