>2a0sA (A:) observed residues (from ATOM records) dqiaellvesplfsfncahfiafkgfretlhghnynvslrlrgniqgdgyvidfsilkek vrkvckqldhhfilpmysdvlniqevndnfkitcednseysfpkrdcvqipikhssteei glyilnqlieeidlpflktrsvnymevtvsespsqkatvhrni