>3nw7A (A:) observed residues (from ATOM records)
yvpdewevarekitmsrelgqgsfgmvyegvakgvvkdepetrvaiktvneaasmrerie
flneasvmkefnchhvvrllgvvsqgqptlvimelmtrgdlksylrslrpemennpvlap
pslskmiqmageiadgmaylnankfvhrdlaarncmvaedftvkigdfgmtrdiyetdyy
rkgllpvrwmspeslkdgvfttysdvwsfgvvlweiatlaeqpyqglsneqvlrfvmegg
lldkpdncpdmlfelmrmcwqynpkmrpsfleiissikeemepgfrevsfyyseenk