>2g3tB (B:) observed residues (from ATOM records)
kfvirpataadcsdilrlikelakyeymeeqviltekdlledgfgehpfyhclvaevpke
hwtpeghsivgfamyyftydpwigkllyledffvmsdyrgfgigseilknlsqvamrcrc
ssmhflvaewnepsinfykrrgasdlsseegwrlfkidkeyllkmate