>4thnH (H:) observed residues (from ATOM records) ivegsdaeigmspwqvmlfrkspqellcgaslisdrwvltaahcllyppwdknftendll vrigkhsrtryerniekismlekiyihprynwrenldrdialmklkkpvafsdyihpvcl pdretaasllqagykgrvtgwgnlketwgqpsvlqvvnlpiverpvckdstriritdnmf cagykpdegkrgdacegdsggpfvmkspfnnrwyqmgivswgegcdrdgkygfythvfrl kkwiqkvidqfge