>1f6aD (D:) observed residues (from ATOM records)
cdsnprgvsaylsrpspfdlfirksptitclvvdlapskgtvnltwsrasgkpvnhstrk
eekqrngtltvtstlpvgtrdwiegetyqcrvthphlpralmrsttktsgpraapevyaf
atpewpgsrdkrtlacliqnfmpedisvqwlhnevqlpdarhsttqprktkgsgffvfsr
levtraeweqkdeficravheaaspsqtvqravsvn