>d1nqha_ f.4.3.3 (A:) Outer membrane cobalamin transporter BtuB {Escherichia coli [TaxId: 562]} dtlvvtanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqnggsgqlss ifirgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygsdaigg vvniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthgydvvaygn tgtqaqtdndgflsktlygalehnftdawsgfvrgygydnrtnydayyspgsplldtrkl ysqswdaglryngeliksqlitsyshskdynydphygrydssatldemkqytvqwannvi vghgsigagvdwqkqtttpgtgyvedgydqrntgiyltglqqvgdftfegaarsddnsqf grhgtwqtsagwefiegyrfiasygtsykapnlgqlygfygnpnldpekskqwegafegl tagvnwrisgyrndvsdlidyddhtlkyynegkarikgveatanfdtgplthtvsydyvd arnaitdtpllrrakqqvkyqldwqlydfdwgityqylgtrydkdyssypyqtvkmggvs lwdlavaypvtshltvrgkianlfdkdyetvygyqtagreytlsgsytf