>1R2K_1|Chains A, B|Molybdenum cofactor biosynthesis protein B|Escherichia coli (562) SQVSTEFIPTRIAILTVSNRRGEEDDTSGHYLRDSAQEAGHHVVDKAIVKENRYAIRAQVSAWIASDDVQVVLITGGTGLTEGDQAPEALLPLFDREVEGFGEVFRMLSFEEIGTSTLQSRAVAGVANKTLIFAMPGSTKACRTAWENIIAPQLDARTRPCNFHPHLKK