Structure and dynamics of Escherichia coli adenylate kinase

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dc.contributor.advisorPhillips, George N., Jr.
dc.creatorBerry, Michael Brandon
dc.date.accessioned2009-06-04T00:26:33Z
dc.date.available2009-06-04T00:26:33Z
dc.date.issued1996
dc.description.abstractEscherichia coli adenylate kinase has been studied by X-ray crystallographic and molecular dynamics approaches. The structures of E. coli adenylate kinase complexed with either AMP and AMPPNP, or AMP and ADP are presented. The AMP/AMPPNP complex has been determined to a resolution of 2.0 A, and confirms the location of the AMP and ATP binding sites on the protein. The AMP/ADP complex has been determined to resolution of 2.8 A, and demonstrates the geometry of this inhibitory complex. Molecular dynamics studies of E. coli adenylate kinase have been done using the weighted masses technique. Simulations were conducted using two general protocols (CHARMM and X-PLOR) which differ in the nature of the secondary structural constraints applied. Both protocols were successful in simulating the opening of the two mobile domains of the protein. The X-PLOR based trajectories, using a heterogeneous weighting system, were also able to simulate the closing of the mobile domains, resulting in a more Gaussian distribution of conformations than that seen in the CHARMM based method.
dc.format.extent222 p.en_US
dc.format.mimetypeapplication/pdf
dc.identifier.callnoTHESIS BIOCHEM. 1996 BERRY
dc.identifier.citationBerry, Michael Brandon. "Structure and dynamics of Escherichia coli adenylate kinase." (1996) Diss., Rice University. <a href="https://hdl.handle.net/1911/16908">https://hdl.handle.net/1911/16908</a>.
dc.identifier.urihttps://hdl.handle.net/1911/16908
dc.language.isoeng
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.
dc.subjectBiochemistry
dc.subjectBiophysics
dc.titleStructure and dynamics of Escherichia coli adenylate kinase
dc.typeThesis
dc.type.materialText
thesis.degree.departmentBiochemistry and Cell Biology
thesis.degree.disciplineNatural Sciences
thesis.degree.grantorRice University
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy
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