1u78
From Proteopedia
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| - | [[Image:1u78.gif|left|200px]] | + | [[Image:1u78.gif|left|200px]] |
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| - | '''Structure of the bipartite DNA-binding domain of Tc3 transposase bound to transposon DNA''' | + | {{Structure |
| + | |PDB= 1u78 |SIZE=350|CAPTION= <scene name='initialview01'>1u78</scene>, resolution 2.69Å | ||
| + | |SITE= | ||
| + | |LIGAND= | ||
| + | |ACTIVITY= | ||
| + | |GENE= Tc3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=6239 Caenorhabditis elegans]) | ||
| + | }} | ||
| + | |||
| + | '''Structure of the bipartite DNA-binding domain of Tc3 transposase bound to transposon DNA''' | ||
| + | |||
==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
| - | 1U78 is a [ | + | 1U78 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Caenorhabditis_elegans Caenorhabditis elegans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1U78 OCA]. |
==Reference== | ==Reference== | ||
| - | Structural analysis of the bipartite DNA-binding domain of Tc3 transposase bound to transposon DNA., Watkins S, van Pouderoyen G, Sixma TK, Nucleic Acids Res. 2004 Aug 10;32(14):4306-12. Print 2004. PMID:[http:// | + | Structural analysis of the bipartite DNA-binding domain of Tc3 transposase bound to transposon DNA., Watkins S, van Pouderoyen G, Sixma TK, Nucleic Acids Res. 2004 Aug 10;32(14):4306-12. Print 2004. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15304566 15304566] |
[[Category: Caenorhabditis elegans]] | [[Category: Caenorhabditis elegans]] | ||
[[Category: Single protein]] | [[Category: Single protein]] | ||
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[[Category: transposon dna]] | [[Category: transposon dna]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 14:28:09 2008'' |
Revision as of 12:28, 20 March 2008
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| , resolution 2.69Å | |||||||
|---|---|---|---|---|---|---|---|
| Gene: | Tc3 (Caenorhabditis elegans) | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
Structure of the bipartite DNA-binding domain of Tc3 transposase bound to transposon DNA
Overview
The bipartite DNA-binding domain of Tc3 transposase, Tc3A, was crystallized in complex with its transposon recognition sequence. In the structure the two DNA-binding domains form structurally related helix-turn-helix (HTH) motifs. They both bind to the major groove on a single DNA oligomer, separated by a linker that interacts closely with the minor groove. The structure resembles that of the transcription factor Pax6 DNA-binding domain, but the relative orientation of the HTH-domain is different. The DNA conformation is distorted, characterized by local narrowing of the minor groove and bends at both ends. The protein-DNA recognition takes place through base and backbone contacts, as well as shape-recognition of the distortions in the DNA. Charged interactions are primarily found in the N-terminal domain and the linker indicating that these may form the initial contact area. Two independent dimer interfaces could be relevant for bringing together transposon ends and for binding to a direct repeat site in the transposon end. In contrast to the Tn5 synaptic complex, the two Tc3A DNA-binding domains bind to a single Tc3 transposon end.
About this Structure
1U78 is a Single protein structure of sequence from Caenorhabditis elegans. Full crystallographic information is available from OCA.
Reference
Structural analysis of the bipartite DNA-binding domain of Tc3 transposase bound to transposon DNA., Watkins S, van Pouderoyen G, Sixma TK, Nucleic Acids Res. 2004 Aug 10;32(14):4306-12. Print 2004. PMID:15304566
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