>2cb3B (B:) observed residues (from ATOM records) saiiprsswlaqkpmdeplplqlpvkyvvilhtatessekrainvrlirdmqsfhiesrg wndiaynflvgcdgniyegrgwktvgahtlgynrislgisfigcfmkelptadalnmcrn llargvedghistdyrlichcqcnstespgrrlyeeiqtwphfynieeee