>1r71B (B:) SEQRES residues ryrgskwagkksipafidndyneadqvienlqrneltpreiadfigrelakgkkkgdiak eigkspafitqhvtlldlpekiadafntgrvrdvtvvnelvtafkkrpeeveawldddtq eitrgtvkllrefldekgrdpntvdafngqtdaerdaeagdgqdgedgdqdgkdakek