>2fxfA (A:) observed residues (from ATOM records)
kfvirpataadcsdilrlikelakyeymeeqviltekdlledgfgehpfyhclvaevpke
hwtpeghsivgfamyyftydpwigkllyledffvmsdyrgfgigseilknlsqvamrcrc
ssmhflvaewnepsinfykrrgasdlwrlfkidkeyllkmatee