>1iazB (B:) observed residues (from ATOM records) agavidgaslsfdilktvlealgnvkrkiavgvdnesgktwtalntyfrsgtsdivlphk vphgkallyngqkdrgpvatgavgvlaylmsdgntlavlfsvpydynwysnwwnvriykg krradqrmyeelyynlspfrgdngwhtrnlgyglksrgfmnssghaileihvska