>2f5iA (A:) observed residues (from ATOM records)
kfvirpataadcsdilrlikelakyeymeeqviltekdlledgfgehpfyhclvaevpke
hwtpeghsivgfamyyftydpwigkllyledffvmsdyrgfgigseilknlsqvamrcrc
ssmhflvaewnepsinfykrrgasdlsseegwrlfkidkeyllkmat