The cloning and expression of the aroL gene from Escherichia coli K12. Purification and complete amino acid sequence of shikimate kinase II, the aroL-gene product.
[No authors listed]
摘要
The aroL gene encoding the enzyme shikimate kinase II was cloned from Escherichia coli K12. Construction of over-expressing strains permitted for the first time the purification to homogeneity of a monofunctional shikimate kinase. The complete amino acid sequence of shikimate kinase II was determined by a combined nucleotide and direct amino acid sequencing strategy. E. coli shikimate kinase II is a monomeric enzyme containing 173 amino acid residues with a calculated Mr 18,937. The amino acid sequence contains a region homologous with other kinases and ATP-requiring enzymes. Evidence is presented suggesting that the transcriptional start site of the aroL gene is located within a potential operator site.
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基因功能
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原始数据
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文献解读
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