2jyw
From Proteopedia
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|PDB= 2jyw |SIZE=350|CAPTION= <scene name='initialview01'>2jyw</scene> | |PDB= 2jyw |SIZE=350|CAPTION= <scene name='initialview01'>2jyw</scene> | ||
|SITE= <scene name='pdbsite=AC1:Zn+Binding+Site+For+Residue+A+188'>AC1</scene> | |SITE= <scene name='pdbsite=AC1:Zn+Binding+Site+For+Residue+A+188'>AC1</scene> | ||
| - | |LIGAND= <scene name='pdbligand=ZN:ZINC ION'>ZN</scene> | + | |LIGAND= <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene> |
|ACTIVITY= | |ACTIVITY= | ||
|GENE= APOBEC3G ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]) | |GENE= APOBEC3G ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]) | ||
| + | |DOMAIN= | ||
| + | |RELATEDENTRY= | ||
| + | |RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2jyw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2jyw OCA], [http://www.ebi.ac.uk/pdbsum/2jyw PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2jyw RCSB]</span> | ||
}} | }} | ||
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[[Category: Matsuo, H.]] | [[Category: Matsuo, H.]] | ||
[[Category: Shindo, K.]] | [[Category: Shindo, K.]] | ||
| - | [[Category: ZN]] | ||
[[Category: alternative splicing]] | [[Category: alternative splicing]] | ||
[[Category: antiviral defense]] | [[Category: antiviral defense]] | ||
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[[Category: zinc]] | [[Category: zinc]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 04:02:41 2008'' |
Revision as of 01:02, 31 March 2008
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| Sites: | |||||||
| Ligands: | |||||||
| Gene: | APOBEC3G (Homo sapiens) | ||||||
| Resources: | FirstGlance, OCA, PDBsum, RCSB | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
Solution structure of C-terminal domain of APOBEC3G
Overview
The human APOBEC3G (apolipoprotein B messenger-RNA-editing enzyme, catalytic polypeptide-like 3G) protein is a single-strand DNA deaminase that inhibits the replication of human immunodeficiency virus-1 (HIV-1), other retroviruses and retrotransposons. APOBEC3G anti-viral activity is circumvented by most retroelements, such as through degradation by HIV-1 Vif. APOBEC3G is a member of a family of polynucleotide cytosine deaminases, several of which also target distinct physiological substrates. For instance, APOBEC1 edits APOB mRNA and AID deaminates antibody gene DNA. Although structures of other family members exist, none of these proteins has elicited polynucleotide cytosine deaminase or anti-viral activity. Here we report a solution structure of the human APOBEC3G catalytic domain. Five alpha-helices, including two that form the zinc-coordinating active site, are arranged over a hydrophobic platform consisting of five beta-strands. NMR DNA titration experiments, computational modelling, phylogenetic conservation and Escherichia coli-based activity assays combine to suggest a DNA-binding model in which a brim of positively charged residues positions the target cytosine for catalysis. The structure of the APOBEC3G catalytic domain will help us to understand functions of other family members and interactions that occur with pathogenic proteins such as HIV-1 Vif.
About this Structure
2JYW is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Structure of the DNA deaminase domain of the HIV-1 restriction factor APOBEC3G., Chen KM, Harjes E, Gross PJ, Fahmy A, Lu Y, Shindo K, Harris RS, Matsuo H, Nature. 2008 Mar 6;452(7183):116-9. Epub 2008 Feb 20. PMID:18288108
Page seeded by OCA on Mon Mar 31 04:02:41 2008
Categories: Homo sapiens | Single protein | Chen, K. | Fahmy, A. | Gross, P J. | Harjes, E. | Harris, R S. | Lu, Y. | Matsuo, H. | Shindo, K. | Alternative splicing | Antiviral defense | Cytoplasm | Host-virus interaction | Hydrolase | Metal-binding | Nucleus | Polymorphism | Protein | Ubl conjugation | Zinc
