>5b4lB (B:) observed residues (from ATOM records)
ewqglmqftlpvrlckeielfhfdigpfenmwpgifvymvhrscgtscfeleklcrfims
vkknyrrvpyhnwkhavtvahcmyailqnnhtlftdlerkglliaclchdldhrgfsnsy
lqkfdhplaalyststmeqhhfsqtvsilqleghnifstlssseyeqvleiirkaiiatd
lalyfgnrkqleemyqtgslnlnnqshrdrviglmmtacdlcsvtklwpvtkltandiya
efwaegdemkklgiqpipmmdrdkkdevpqgqlgfynavaipcyttltqilpptepllka
crdnlsqwekvirgee