>1d3dB (B:) observed residues (from ATOM records)
ivegsdaeigmspwqvmlfrkspqellcgaslisdrwvltaahcllyppwdknftendll
vrigkhsrtryerniekismlekiyihprynwrenldrdialmklkkpvafsdyihpvcl
pdretaasllqagykgrvtgwgnlketgqpsvlqvvnlpiverpvckdstriritdnmfc
agykpdegkrgdacegdsggpfvmkspfnnrwyqmgivswgegcdrdgkygfythvfrlk
kwiqkvidqf