>4dsuA (A:) observed residues (from ATOM records)
steyklvvvgadgvgksaltiqliqnhfvdeydptiedsyrkqvvidgetclldildtag
qsamrdqymrtgegflcvfainntksfedihhyreqikrvkdsedvpmvlvgnkcdlpsr
tvdtkqaqdlarsygipfietsaktrqgvddafytlvreirkhkekmskdgkkkkkk