>tr|C3SIG7|C3SIG7_ECOLX Vitamin B12 transporter BtuB OS=Escherichia coli GN=btuB
MIKKASLLTACSVTAFSAWAQDTSPDTLVVTANRFEQPRSTVLAPTTVVTRQDIDRWQST
SVNDVLRRLPGVDITQNGGSGQLSSIFIRGTNASHVLVLIDGVRLNLAGGSGSADLSQFP
IALVQRVEYIRGPRSAVYGSDAIGGVVNIITTRDEPGTEISAGWGSNSYQNYDVSTQQQL
GDKTRVTLLGDYAHTHGYDVVAYGNTGTQAQPDNDGFLSKTLYGALEHNFTDAWSGFVRG
YGYDNRTNYDAYYSPGSPLVDTRKLYSQSWDAGLRYNGELIKSQLITSYSHSKDYNYDPH
YGRYDSSATLDEMKQYTVQWANNIIIGHGNVGAGVDWQKQSTAPGTAYVKDGYDQRNTGI
YLTGLQQVGDFTFEGAARSDDNSQFGRHGTWQTSAGWEFIEGYRFIASYGTSYKAPNLGQ
LYGFYGNPNLDPEKSKQWEGAFEGLTAGVNWRISGYRNDVSDLIDYDDHTLKYYNEGKAR
IKGVEATANFDTGPLTHTVSYDYVDARNAITDTPLLRRAKQQVKYQLDWQLYDFDWGITY
QYLGTRYDKDYSSYPYQTVKMGGVSLWDLAVAYPVTSHLTVRGKIANLFDKDYETVYGYQ
TAGREYTLSGSYTF