>3n1fA (A:) observed residues (from ATOM records) klvplaykqfspnvpektlgasgryegkiarsserfkeltpnynpdiifkdeentgadrl mtqrckdrlnslaisvmnqwpgvklrvtegwdedghhseeslhyegravdittsdrdrnk ygllarlaveagfdwvyyeskahvhcsvkse