>1ktkF (F:) observed residues (from ATOM records)
vsqhpsrviaksgtsvkiecrsldfqattmfwyrqfpkqslmlmatsaegskatgvekkf
linhasltlstltvtsahpedssfyicyfgpgtrltvppevavfepvclatgfndsryal
ssrlqnprnhfrvqfyvtqivsae