>1efcB (B:) observed residues (from ATOM records)
tkphvnvgtighvdhgkttltaaittvlaktyggaarafdqidnapeekargitintshv
eydtptrhyahvdcpghadyvknmitgaaqmdgailvvaatdgpmpqtrehillgrqvgv
pyiivflnkcdmvddeellelvemevrellsqydfpgddtpivrgsalkalegdaeweak
ilelagfldsyipeperaidkpfllpiedvfsisgrgtvvtgrvergiikvgeeveivgi
ketqkstctgvemfrklldegragenvgvllrgikreeiergqvlakpgtikphtkfese
vyilskdeggrhtpffkgyrpqfyfrttdvtgtielpegvemvmpgdnikmvvtlihpia
mddglrfaireggrtvgagvvakvls