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3kvc

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[[Image:3kvc.png|left|200px]]
 
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{{STRUCTURE_3kvc| PDB=3kvc | SCENE= }}
{{STRUCTURE_3kvc| PDB=3kvc | SCENE= }}
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===Crystal structure of bovine RPE65 at 1.9 angstrom resolution===
===Crystal structure of bovine RPE65 at 1.9 angstrom resolution===
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{{ABSTRACT_PUBMED_20100834}}
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==Function==
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[[http://www.uniprot.org/uniprot/RPE65_BOVIN RPE65_BOVIN]] Plays important roles in the production of 11-cis retinal and in visual pigment regeneration. The soluble form binds vitamin A (all-trans-retinol), making it available for LRAT processing to all-trans-retinyl ester. The membrane form, palmitoylated by LRAT, binds all-trans-retinyl esters, making them available for IMH (isomerohydrolase) processing to all-cis-retinol. The soluble form is regenerated by transferring its palmitoyl groups onto 11-cis-retinol, a reaction catalyzed by LRAT. The enzymatic activity is linearly dependent of the expression levels and membrane association.<ref>PMID:16096063</ref> <ref>PMID:19805034</ref> <ref>PMID:20100834</ref>
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{{ABSTRACT_PUBMED_20100834}}
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==About this Structure==
==About this Structure==
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3KVC is a 2 chains structure with sequences from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KVC OCA].
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[[3kvc]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KVC OCA].
==Reference==
==Reference==
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<ref group="xtra">PMID:20100834</ref><references group="xtra"/>
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<ref group="xtra">PMID:020100834</ref><references group="xtra"/><references/>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Golczak, M.]]
[[Category: Golczak, M.]]
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[[Category: Palczewski, K.]]
[[Category: Palczewski, K.]]
[[Category: 7-bladed beta-propeller]]
[[Category: 7-bladed beta-propeller]]
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[[Category: Acetylation]]
 
[[Category: Cell membrane]]
[[Category: Cell membrane]]
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[[Category: Cytoplasm]]
 
[[Category: Hydrolase]]
[[Category: Hydrolase]]
[[Category: Iron]]
[[Category: Iron]]
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[[Category: Sensory transduction]]
[[Category: Sensory transduction]]
[[Category: Vision]]
[[Category: Vision]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed May 12 10:36:00 2010''
 

Revision as of 20:31, 4 April 2013

Template:STRUCTURE 3kvc

Contents

Crystal structure of bovine RPE65 at 1.9 angstrom resolution

Template:ABSTRACT PUBMED 20100834

Function

[RPE65_BOVIN] Plays important roles in the production of 11-cis retinal and in visual pigment regeneration. The soluble form binds vitamin A (all-trans-retinol), making it available for LRAT processing to all-trans-retinyl ester. The membrane form, palmitoylated by LRAT, binds all-trans-retinyl esters, making them available for IMH (isomerohydrolase) processing to all-cis-retinol. The soluble form is regenerated by transferring its palmitoyl groups onto 11-cis-retinol, a reaction catalyzed by LRAT. The enzymatic activity is linearly dependent of the expression levels and membrane association.[1] [2] [3]

About this Structure

3kvc is a 2 chain structure with sequence from Bos taurus. Full crystallographic information is available from OCA.

Reference

  • Golczak M, Kiser PD, Lodowski DT, Maeda A, Palczewski K. Importance of membrane structural integrity for RPE65 retinoid isomerization activity. J Biol Chem. 2010 Mar 26;285(13):9667-82. Epub 2010 Jan 25. PMID:20100834 doi:10.1074/jbc.M109.063941
  1. Jin M, Li S, Moghrabi WN, Sun H, Travis GH. Rpe65 is the retinoid isomerase in bovine retinal pigment epithelium. Cell. 2005 Aug 12;122(3):449-59. PMID:16096063 doi:10.1016/j.cell.2005.06.042
  2. Kiser PD, Golczak M, Lodowski DT, Chance MR, Palczewski K. Crystal structure of native RPE65, the retinoid isomerase of the visual cycle. Proc Natl Acad Sci U S A. 2009 Oct 13;106(41):17325-30. Epub 2009 Oct 5. PMID:19805034
  3. Golczak M, Kiser PD, Lodowski DT, Maeda A, Palczewski K. Importance of membrane structural integrity for RPE65 retinoid isomerization activity. J Biol Chem. 2010 Mar 26;285(13):9667-82. Epub 2010 Jan 25. PMID:20100834 doi:10.1074/jbc.M109.063941

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