>1r6nA (A:) observed residues (from ATOM records) heaiakrldacqdqllelyeensidihkhimhwkcirlesvllhkakqmglshiglqvvp pltvsetkghnaiemqmhleslaktqygvepwtlqdtsyemwltppkrcfkkqgntvevk fdgcednvmeyvvwthiylqdndswvkvtssvdakgiyytcgqfktyyvnfnkeaqkygs tnhwevcygstvicsp