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==Alcohol Dehydrogenase==
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==Alcohol Dehydrogenase== {{STRUCTURE_1htb | PDB=1htb | SCENE= }}
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Alcohol dehydrogenase (ADH) is an enzyme that catalyzes the oxidation of primary and secondary alcohols to their corresponding aldehydes and ketones through a mechanism that involves the removal of hydrogen. In the oxidation mechanism, ADH is momentarily associated with nicontinamide adenine dinucleotide (NAD+), which functions as a cosubstrate. The reaction is shown below: CH3CH2OH + NAD+ -> CH3COH (acetaldehyde) + NADH + H+ (Note: The reaction is actually reversible although the arrow does not show it) ('''citation needed''')The alcohol dehydrogenase reaction is a bisubstrate reaction, where ADH catalyzed the transfer of a hydride ion from ethanol to NAD+. In metabolic reactions within the human liver, glyceraldehyde is reduced to glycerol through a mechanism in which NADH is reduced to NAD+, and this whole process is catalyzed by alcohol dehydrogenase.
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Alcohol dehydrogenase (ADH) is an enzyme that catalyzes the oxidation of primary and secondary alcohols to their corresponding aldehydes and ketones through a mechanism that involves the removal of hydrogen. In the oxidation mechanism, ADH is momentarily associated with nicontinamide adenine dinucleotide (NAD+), which functions as a cosubstrate. The reaction is shown below: CH3CH2OH + NAD+ -> CH3COH (acetaldehyde) + NADH + H+ (Note: The reaction is actually reversible although the arrow does not show it) <ref>Voet, et. al. ''Fundamentals of Biochemistry: 3rd Edition''. Hoboken: Wiley & Sons, Inc, 2008.<ref> The alcohol dehydrogenase reaction is a bisubstrate reaction, where ADH catalyzed the transfer of a hydride ion from ethanol to NAD+. In metabolic reactions within the human liver, glyceraldehyde is reduced to glycerol through a mechanism in which NADH is reduced to NAD+, and this whole process is catalyzed by alcohol dehydrogenase.
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{{STRUCTURE_1htb | PDB=1htb | SCENE= }}
{{STRUCTURE_1htb | PDB=1htb | SCENE= }}
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==References==
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<references />

Revision as of 20:24, 1 March 2010

Alcohol Dehydrogenase

PDB ID 1htb

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1htb, resolution 2.40Å ()
Ligands: , , ,
Gene: HUMAN BETA3 CDNA (Homo sapiens)
Activity: Alcohol dehydrogenase, with EC number 1.1.1.1
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml




Alcohol dehydrogenase (ADH) is an enzyme that catalyzes the oxidation of primary and secondary alcohols to their corresponding aldehydes and ketones through a mechanism that involves the removal of hydrogen. In the oxidation mechanism, ADH is momentarily associated with nicontinamide adenine dinucleotide (NAD+), which functions as a cosubstrate. The reaction is shown below: CH3CH2OH + NAD+ -> CH3COH (acetaldehyde) + NADH + H+ (Note: The reaction is actually reversible although the arrow does not show it) [1]

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