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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
7
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pubmed:dateCreated |
1982-10-21
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pubmed:abstractText |
The inhibition constants (Kiapp) obtained from the action of 44 2,4-diamino-5-(substituted-benzyl)pyrimidines on dihydrofolate reductase (DHFR) from Escherichia coli and Lactobacillus casei bacteria are used to derive quantitative structure-activity relationships (QSAR). These equations bring out a number of differences in the DHFR which can be understood at the atomic level by studying color stereo computer graphics models constructed from the X-ray coordinates of the enzyme-inhibitor complexes. The combination of QSAR and X-ray crystallography interpreted via high-performance computer graphics offers a new level of sophistication to extend our understanding of enzyme-ligand interactions, which, when the crystallography is known, opens up a more scientific approach to drug development.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
0022-2623
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
25
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
777-84
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:6809941-Binding Sites,
pubmed-meshheading:6809941-Computers,
pubmed-meshheading:6809941-Escherichia coli,
pubmed-meshheading:6809941-Folic Acid Antagonists,
pubmed-meshheading:6809941-Lactobacillus casei,
pubmed-meshheading:6809941-Models, Molecular,
pubmed-meshheading:6809941-Pyrimidines,
pubmed-meshheading:6809941-Structure-Activity Relationship,
pubmed-meshheading:6809941-X-Ray Diffraction
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pubmed:year |
1982
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pubmed:articleTitle |
Comparison of the inhibition of Escherichia coli and Lactobacillus casei dihydrofolate reductase by 2,4-diamino-5-(substituted-benzyl)pyrimidines: quantitative structure-activity relationships, X-ray crystallography, and computer graphics in structure-activity analysis.
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pubmed:publicationType |
Journal Article,
Comparative Study,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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