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Results 1 - 10 of 28 > >>
EC Number General Information Commentary Reference
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1evolution genotyping of different strains from M and G populations, overview. The only mutated gene shared between the strains from populations M and G is bll4572, this gene is mutated in all six strains -, 742380
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1evolution periplasmic nitrate reductase (Nap) from Desulfovibrio desulfuricans and formate dehydrogenase (Fdh) from Escherichia coli K-12, both belonging to the DMSO reductase family, subfamily I, have a very similar structure, but very different activities. The show key differences that tune them for completely different functions in living cells. Both enzymes share almost identical three-dimensional protein foldings and active sites, in terms of coordination number, geometry and nature of the ligands. The substrates of both enzymes (nitrate and formate) are polyatomic anions that also share similar charge and stereochemistry. In terms of the catalytic mechanism, both enzymes have a common activation mechanism (the sulfur-shift mechanism) that ensures a constant coordination number around the metal ion during the catalytic cycle. In spite of these similarities, they catalyze very different reactions: Nap abstracts an oxygen atom from nitrate releasing nitrite, whereas FdH catalyzes a hydrogen atom transfer from formate and releases carbon dioxide. Detailed comparison, overview. A key difference between the catalytic mechanisms of Nap and FdH is the fact that only Mo is used to reduce nitrate but in Fdhs both Mo and W are catalytically competent to oxidize formate to carbon dioxide 741478
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1evolution the enzyme belongs to the DMSO reductase family -, 741958
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1evolution the periplasmic nitrate reductase (Nap) from Desulfovibrio desulfuricans belongs to the DMSO reductase family, subfamily I. Classification of Mo-pyranopterin dependent enzymes from the DMSO reductase family, e.g. periplasmic nitrate reductase and formate dehydrogenase, overview. Comparison of the sulfur-shift mechanism in nitrate reductase (Nap) and in formate dehydrogenase (Fdh), detailed overview 742648
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1evolution the prokaryotic nitrate reductases can be subgrouped as respiratory nitrate reductases (Nar), assimilatory nitrate reductases (Nas), and periplasmic nitrate reductases (Nap). Periplasmic nitrate reductase (Nap) and formate dehydrogenase (Fdh), both belonging to the DMSO reductase family, subfamily I, have a very similar structure, but very different activities. The show key differences that tune them for completely different functions in living cells. Both enzymes share almost identical three-dimensional protein foldings and active sites, in terms of coordination number, geometry and nature of the ligands. The substrates of both enzymes (nitrate and formate) are polyatomic anions that also share similar charge and stereochemistry. In terms of the catalytic mechanism, both enzymes have a common activation mechanism (the sulfur-shift mechanism) that ensures a constant coordination number around the metal ion during the catalytic cycle. In spite of these similarities, they catalyze very different reactions: Nap abstracts an oxygen atom from nitrate releasing nitrite, whereas FdH catalyzes a hydrogen atom transfer from formate and releases carbon dioxide. Detailed comparison, overview. A key difference between the catalytic mechanisms of Nap and FdH is the fact that only Mo is used to reduce nitrate but in Fdhs both Mo and W are catalytically competent to oxidize formate to carbon dioxide -, 742319
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1evolution the prokaryotic nitrate reductases can be subgrouped as respiratory nitrate reductases (Nar), assimilatory nitrate reductases (Nas), and periplasmic nitrate reductases (Nap). Periplasmic nitrate reductase (Nap) belongs to the DMSO reductase family, subfamily I -, 742319
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1evolution the prokaryotic nitrate reductases can be subgrouped as respiratory nitrate reductases (Nar), assimilatory nitrate reductases (Nas), and periplasmic nitrate reductases (Nap). Periplasmic nitrate reductase (Nap) from Desulfovibrio desulfuricans and formate dehydrogenase (Fdh) from Escherichia coli K-12, both belonging to the DMSO reductase family, subfamily I, have a very similar structure, but very different activities. The show key differences that tune them for completely different functions in living cells. Both enzymes share almost identical three-dimensional protein foldings and active sites, in terms of coordination number, geometry and nature of the ligands. The substrates of both enzymes (nitrate and formate) are polyatomic anions that also share similar charge and stereochemistry. In terms of the catalytic mechanism, both enzymes have a common activation mechanism (the sulfur-shift mechanism) that ensures a constant coordination number around the metal ion during the catalytic cycle. In spite of these similarities, they catalyze very different reactions: Nap abstracts an oxygen atom from nitrate releasing nitrite, whereas FdH catalyzes a hydrogen atom transfer from formate and releases carbon dioxide. Detailed comparison, overview. A key difference between the catalytic mechanisms of Nap and FdH is the fact that only Mo is used to reduce nitrate but in Fdhs both Mo and W are catalytically competent to oxidize formate to carbon dioxide 742319
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1malfunction a gene nap deletion mutant can no longer grow on methanol in contrast to the wild-type and shows almost abolished N2O production from nitrate -, 741478
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1malfunction Salmonella enterica serovar Typhimurium strains with defects in either nitrate reductase A (narG mutant) or the regulator inducing its transcription in the presence of high concentrations of nitrate (narL mutant) exhibit growth comparable to that of wild-type Salmonella enterica serovar Typhimurium. In contrast, a strain lacking a functional periplasmic nitrate reductase (napA mutant) exhibits a marked growth defect in the lumen of the colon. Inactivation of narP, encoding a response regulator that activates napABC transcription in response to low nitrate concentrations, significantly reduces the growth of Salmonella enterica serovar Typhimurium in the murine host gut lumen -, 742645
Display the word mapDisplay the reaction diagram Show all sequences 1.9.6.1metabolism cytochromes c encoded by genes in close proximity to the genes for XoxF proteins and methylamine dehydrogenase functions are likely involved in the metabolism with Nap, pathway overview -, 741478
Results 1 - 10 of 28 > >>