>gb|M10112.1|ECOBTUB:1-347 E.coli btuB gene for the vitamin B12 receptor protein BtuB GATCTTAGATGAATTCCTATTTGTGAGCTACGTCTGGACAGTAACTTGTTACAACCTGTAGCATCCACTT GCCGGTCCTGTGAGTTAATAGGGAATCCAGTGCGAATCTGGAGCTGACGCGCAGCGGTAAGGAAAGGTGC GATGATTGCGTTATGCGGACACTCGCCATTCGGTGGGAAGTCATCATCTCTTAGTATCTTAGATACCCCT CCAAGCCCGAAGACCTGCCGGCCAACGTCGCATCTGGTTCTCATCATCGCGTAATATTGATGAAACCTGC GGCATCCTTCTTCTATTGTGGATGCTTTACAATGATTAAAAAAGCTTCCCTGCTGACGGCGTGTTCC