2orh: Difference between revisions

Revision as of 19:21, 21 February 2008

Directing Macromolecular Conformation Through Halogen Bonds

OverviewOverview

The halogen bond, a noncovalent interaction involving polarizable chlorine, bromine, or iodine molecular substituents, is now being exploited to control the assembly of small molecules in the design of supramolecular complexes and new materials. We demonstrate that a halogen bond formed between a brominated uracil and phosphate oxygen can be engineered to direct the conformation of a biological molecule, in this case to define the conformational isomer of a four-stranded DNA junction when placed in direct competition against a classic hydrogen bond. As a result, this bromine interaction is estimated to be approximately 2-5 kcal/mol stronger than the analogous hydrogen bond in this environment, depending on the geometry of the halogen bond. This study helps to establish halogen bonding as a potential tool for the rational design and construction of molecular materials with DNA and other biological macromolecules.

About this StructureAbout this Structure

2ORH is a Protein complex structure of sequences from [1] with as ligand. Full crystallographic information is available from OCA.

ReferenceReference

Directing macromolecular conformation through halogen bonds., Voth AR, Hays FA, Ho PS, Proc Natl Acad Sci U S A. 2007 Apr 10;104(15):6188-93. Epub 2007 Mar 22. PMID:17379665

Page seeded by OCA on Thu Feb 21 18:21:43 2008

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OCA

@@ Line 4: / Line 4: @@
 ==Overview==
-The halogen bond, a noncovalent interaction involving polarizable, chlorine, bromine, or iodine molecular substituents, is now being, exploited to control the assembly of small molecules in the design of, supramolecular complexes and new materials. We demonstrate that a halogen, bond formed between a brominated uracil and phosphate oxygen can be, engineered to direct the conformation of a biological molecule, in this, case to define the conformational isomer of a four-stranded DNA junction, when placed in direct competition against a classic hydrogen bond. As a, result, this bromine interaction is estimated to be approximately 2-5, kcal/mol stronger than the analogous hydrogen bond in this environment, depending on the geometry of the halogen bond. This study helps to, establish halogen bonding as a potential tool for the rational design and, construction of molecular materials with DNA and other biological, macromolecules.
+The halogen bond, a noncovalent interaction involving polarizable chlorine, bromine, or iodine molecular substituents, is now being exploited to control the assembly of small molecules in the design of supramolecular complexes and new materials. We demonstrate that a halogen bond formed between a brominated uracil and phosphate oxygen can be engineered to direct the conformation of a biological molecule, in this case to define the conformational isomer of a four-stranded DNA junction when placed in direct competition against a classic hydrogen bond. As a result, this bromine interaction is estimated to be approximately 2-5 kcal/mol stronger than the analogous hydrogen bond in this environment, depending on the geometry of the halogen bond. This study helps to establish halogen bonding as a potential tool for the rational design and construction of molecular materials with DNA and other biological macromolecules.
 ==About this Structure==
@@ Line 12: / Line 12: @@
 Directing macromolecular conformation through halogen bonds., Voth AR, Hays FA, Ho PS, Proc Natl Acad Sci U S A. 2007 Apr 10;104(15):6188-93. Epub 2007 Mar 22. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=17379665 17379665]
 [[Category: Protein complex]]
-[[Category: Hays, F.A.]]
+[[Category: Hays, F A.]]
-[[Category: Ho, P.S.]]
+[[Category: Ho, P S.]]
-[[Category: Voth, A.R.]]
+[[Category: Voth, A R.]]
 [[Category: NA]]
 [[Category: dna holliday junction]]
 [[Category: halogen bond]]
-''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jan 23 15:15:18 2008''
+''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 18:21:43 2008''