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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
5
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pubmed:dateCreated |
1991-7-31
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pubmed:abstractText |
A new form of alcohol dehydrogenase, designated mu-alcohol dehydrogenase, was identified in surgical human stomach mucosa by isoelectric focusing and kinetic determinations. This enzyme was anodic to class I (alpha, beta, gamma) and class II (pi) alcohol dehydrogenases on agarose isoelectric focusing gels. The partially purified mu-alcohol dehydrogenase, specifically using NAD+ as cofactor, catalyzed the oxidation of aliphatic and aromatic alcohols with long chain alcohols being better substrates, indicating a barrel-shape hydrophobic binding pocket for substrate. mu-Alcohol dehydrogenase stood out in high Km values for both ethanol (18 mM) and NAD+ (340 microM) as well as in high Ki value (320 microM) for 4-methylpyrazole, a competitive inhibitor for ethanol. mu-Alcohol dehydrogenase may account for up to 50% of total stomach alcohol dehydrogenase activity and appeared to play a significant role in first-pass metabolism of ethanol in human.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Alcohol Dehydrogenase,
http://linkedlifedata.com/resource/pubmed/chemical/Ethanol,
http://linkedlifedata.com/resource/pubmed/chemical/NAD,
http://linkedlifedata.com/resource/pubmed/chemical/Pyrazoles,
http://linkedlifedata.com/resource/pubmed/chemical/fomepizole
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pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0158-5231
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
22
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
829-35
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2099148-Alcohol Dehydrogenase,
pubmed-meshheading:2099148-Ethanol,
pubmed-meshheading:2099148-Gastric Mucosa,
pubmed-meshheading:2099148-Humans,
pubmed-meshheading:2099148-Isoelectric Focusing,
pubmed-meshheading:2099148-Kinetics,
pubmed-meshheading:2099148-NAD,
pubmed-meshheading:2099148-Pyrazoles,
pubmed-meshheading:2099148-Substrate Specificity
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pubmed:year |
1990
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pubmed:articleTitle |
Identification of a human stomach alcohol dehydrogenase with distinctive kinetic properties.
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pubmed:affiliation |
Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan, Republic of China.
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pubmed:publicationType |
Journal Article,
In Vitro,
Research Support, Non-U.S. Gov't
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