>2b5gB (B:) observed residues (from ATOM records)
fvirpataadcsdilrlikelakyeymeeqviltekdlledgffyhclvaevpwtpeghs
ivgfamyyftydpwigkllyledffvmsdyrgfgigseilknlsqvamrcrcssmhflva
ewnepsinfykrrgasdlsseegwrlfkidkeyllkmate