>4z7eB (B:) observed residues (from ATOM records)
eitiagklgaepeilinmyklviedetdlkvnvkpnmgktsfvfnalksgdidiypeftg
tvletflkenakthdpeevytqardglakdfdmtylkpmkynntyalavspefakennle
kisdlgpvsdqvkagftlefkdrsdgykgiqdkygltfsnlktmepklrynaiksgdinl
ldaystdselaqyklkvleddqqlfppyqgaplmltktldkypelkkplnklagkitdde
mrkmnyevnvngksaytvakdylkdqgiik