Analysis of Loop Function of Dihydrofolate Reductase
نویسندگان
چکیده
منابع مشابه
Loop interactions during catalysis by dihydrofolate reductase from Moritella profunda.
Dihydrofolate reductase (DHFR) is often used as a model system to study the relation between protein dynamics and catalysis. We have studied a number of variants of the cold-adapted DHFR from Moritella profunda (MpDHFR), in which the catalytically important M20 and FG loops have been altered, and present a comparison with the corresponding variants of the well-studied DHFR from Escherichia coli...
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Various properties of the bacteriophage structural dihydrofolate reductase (DFR) have been examined to determine its function during phage infection. It has been found that a binding site for reduced nicotinamide adenine dinucleotide phosphate (NADPH), most likely on the DFR present in the phage tail plate, is required for phage viability. Attachment of adenosine diphosphoribose, an analogue of...
متن کاملStructure, dynamics, and catalytic function of dihydrofolate reductase.
Molecular motions are widely regarded as contributing factors in many aspects of protein function. The enzyme dihydrofolate reductase (DHFR), and particularly that from Escherichia coli, has become an important system for investigating the linkage between protein dynamics and catalytic function, both because of the location and timescales of the motions observed and because of the availability ...
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ژورنال
عنوان ژورنال: Seibutsu Butsuri
سال: 2004
ISSN: 0582-4052,1347-4219
DOI: 10.2142/biophys.44.70