>4msaB (B:) observed residues (from ATOM records)
tsictseewqglmqftlpvrlckeielfhfdigpfenmwpgifvymvhrscgtscfelek
lcrfimsvkknyrrvpyhnwkhavtvahcmyailqnnhtlftdlerkglliaclchdldh
rgfsnsylqkfdhplaalyststmeqhhfsqtvsilqleghnifstlssseyeqvleiir
kaiiatdlalyfgnrkqleemyqtgslnlnnqshrdrviglmmtacdlcsvtklwpvtkl
tandiyaefwaegdemkklgiqpipmmdrdkkdevpqgqlgfynavaipcyttltqilpp
tepllkacrdnlsqwekvirgeetatw