>2a45B (B:) observed residues (from ATOM records)
ivegsdaeigmspwqvmlfrkspqellcgaslisdrwvltaahcllyppwdknftendll
vrigkhsrtryerniekismlekiyihprynwrenldrdialmklkkpvafsdyihpvcl
pdretaasllqagykgrvtgwgnlketwtanvgkgqpsvlqvvnlpiverpvckdstrir
itdnmfcagykpdegkrgdacegdsggpfvmkspfnnrwyqmgivswgegcdrdgkygfy
thvfrlkkwiqkvidqfg