>tr|W1F7T2|W1F7T2_ECOLX Molybdenum cofactor biosynthesis protein B OS=Escherichia coli ISC7 MSQVSTEFIPTRIAILTVSNRRGEEDDTSGHYLRDSAQEAGHHVVDKAIVKENRYAIRAQ VSAWIASDDVQVVLITGGTGLTEGDQAPEALLPLFDREVEGFGEVFRMLSFEEIGTSTLQ SRAVAGVANKTLIFAMPGSTKACRTAWENIIAPQLDARTRPCNFHPHLKK