>d2gufa_ f.4.3.3 (A:) Outer membrane cobalamin transporter BtuB {Escherichia coli [TaxId: 562]} qdtspdtlvvtanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqlssi firgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygsdaiggv vniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthdgflsktlyg alehnftdawsgfvrgygydnrtnydtrklysqswdaglryngeliksqlitsyshskdy nydphygrydssatldemkqytvqwannvivghgsigagvdwqkqtttpgtgyvedgydq rntgiyltglqqvgdftfegaarsddnsqfgrhgtwqtsagwefiegyrfiasygtsyka pnlgqlygfygnpnldpekskqwegafegltagvnwrisgyrndvsdlidyddhtlkyyn egkarikgveatanfdtgplthtvsydyvdarnaitdtpllrrakqqvkyqldwqlydfd wgityqylgtrydkdyssypyqtvkmggvslwdlavaypvtshltvrgkianlfdkdyag reytlsgsytf