1wvn: Difference between revisions
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'''Crsytal Structure of domain 3 of human alpha polyC binding protein''' | {{Structure | ||
|PDB= 1wvn |SIZE=350|CAPTION= <scene name='initialview01'>1wvn</scene>, resolution 2.10Å | |||
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'''Crsytal Structure of domain 3 of human alpha polyC binding protein''' | |||
==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
1WVN is a [ | 1WVN is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1WVN OCA]. | ||
==Reference== | ==Reference== | ||
Structure and RNA binding of the third KH domain of poly(C)-binding protein 1., Sidiqi M, Wilce JA, Vivian JP, Porter CJ, Barker A, Leedman PJ, Wilce MC, Nucleic Acids Res. 2005 Feb 24;33(4):1213-21. Print 2005. PMID:[http:// | Structure and RNA binding of the third KH domain of poly(C)-binding protein 1., Sidiqi M, Wilce JA, Vivian JP, Porter CJ, Barker A, Leedman PJ, Wilce MC, Nucleic Acids Res. 2005 Feb 24;33(4):1213-21. Print 2005. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15731341 15731341] | ||
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
[[Category: Single protein]] | [[Category: Single protein]] | ||
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[[Category: rna binding domain]] | [[Category: rna binding domain]] | ||
''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 15:02:07 2008'' | ||
Revision as of 13:02, 20 March 2008
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| Coordinates: | save as pdb, mmCIF, xml | ||||||||||||
Crsytal Structure of domain 3 of human alpha polyC binding protein
Overview
Poly(C)-binding proteins (CPs) are important regulators of mRNA stability and translational regulation. They recognize C-rich RNA through their triple KH (hn RNP K homology) domain structures and are thought to carry out their function though direct protection of mRNA sites as well as through interactions with other RNA-binding proteins. We report the crystallographically derived structure of the third domain of alphaCP1 to 2.1 A resolution. alphaCP1-KH3 assumes a classical type I KH domain fold with a triple-stranded beta-sheet held against a three-helix cluster in a betaalphaalphabetabetaalpha configuration. Its binding affinity to an RNA sequence from the 3'-untranslated region (3'-UTR) of androgen receptor mRNA was determined using surface plasmon resonance, giving a K(d) of 4.37 microM, which is indicative of intermediate binding. A model of alphaCP1-KH3 with poly(C)-RNA was generated by homology to a recently reported RNA-bound KH domain structure and suggests the molecular basis for oligonucleotide binding and poly(C)-RNA specificity.
About this Structure
1WVN is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Structure and RNA binding of the third KH domain of poly(C)-binding protein 1., Sidiqi M, Wilce JA, Vivian JP, Porter CJ, Barker A, Leedman PJ, Wilce MC, Nucleic Acids Res. 2005 Feb 24;33(4):1213-21. Print 2005. PMID:15731341
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