>1c4u2 (2:) observed residues (from ATOM records) ivegsdaeigmspwqvmlfrkspqellcgaslisdrwvltaahcllyppwdknftendll vrigkhsrtryerniekismlekiyihprynwrenldrdialmklkkpvafsdyihpvcl pdretaasllqagykgrvtgwgnlketgqpsvlqvvnlpiverpvckdstriritdnmfc agykpdegkrgdacegdsggpfvmkspfnnrwyqmgivswgegcdrdgkygfythvfrlk kwiqkvidqfge