3f7b: Difference between revisions
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{{STRUCTURE_3f7b| PDB=3f7b | SCENE= }} | {{STRUCTURE_3f7b| PDB=3f7b | SCENE= }} | ||
===Crystal Structure of soluble domain of CA4 in complex with small molecule.=== | |||
{{ABSTRACT_PUBMED_20363633}} | |||
=== | ==Disease== | ||
[[http://www.uniprot.org/uniprot/CAH4_HUMAN CAH4_HUMAN]] Defects in CA4 are the cause of retinitis pigmentosa type 17 (RP17) [MIM:[http://omim.org/entry/600852 600852]]. RP leads to degeneration of retinal photoreceptor cells. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses, they lose their far peripheral visual field and eventually central vision as well. RP17 inheritance is autosomal dominant. Note=Defective acid overload removal from retina and retinal epithelium, due to mutant CA4, is responsible for photoreceptor degeneration, indicating that impaired pH homeostasis is the most likely cause underlying the RP17 phenotype.<ref>PMID:15563508</ref> | |||
==Function== | |||
[[http://www.uniprot.org/uniprot/CAH4_HUMAN CAH4_HUMAN]] Reversible hydration of carbon dioxide. May stimulate the sodium/bicarbonate transporter activity of SLC4A4 that acts in pH homeostasis. It is essential for acid overload removal from the retina and retina epithelium, and acid release in the choriocapillaris in the choroid.<ref>PMID:15563508</ref> | |||
==About this Structure== | ==About this Structure== | ||
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==Reference== | ==Reference== | ||
<ref group="xtra">PMID:020363633</ref><references group="xtra"/> | <ref group="xtra">PMID:020363633</ref><references group="xtra"/><references/> | ||
[[Category: Carbonate dehydratase]] | [[Category: Carbonate dehydratase]] | ||
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
Revision as of 01:21, 25 March 2013
Crystal Structure of soluble domain of CA4 in complex with small molecule.Crystal Structure of soluble domain of CA4 in complex with small molecule.
Template:ABSTRACT PUBMED 20363633
DiseaseDisease
[CAH4_HUMAN] Defects in CA4 are the cause of retinitis pigmentosa type 17 (RP17) [MIM:600852]. RP leads to degeneration of retinal photoreceptor cells. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses, they lose their far peripheral visual field and eventually central vision as well. RP17 inheritance is autosomal dominant. Note=Defective acid overload removal from retina and retinal epithelium, due to mutant CA4, is responsible for photoreceptor degeneration, indicating that impaired pH homeostasis is the most likely cause underlying the RP17 phenotype.[1]
FunctionFunction
[CAH4_HUMAN] Reversible hydration of carbon dioxide. May stimulate the sodium/bicarbonate transporter activity of SLC4A4 that acts in pH homeostasis. It is essential for acid overload removal from the retina and retina epithelium, and acid release in the choriocapillaris in the choroid.[2]
About this StructureAbout this Structure
3f7b is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.
See AlsoSee Also
ReferenceReference
- ↑ Vernier W, Chong W, Rewolinski D, Greasley S, Pauly T, Shaw M, Dinh D, Ferre RA, Nukui S, Ornelas M, Reyner E. Thioether benzenesulfonamide inhibitors of carbonic anhydrases II and IV: structure-based drug design, synthesis, and biological evaluation. Bioorg Med Chem. 2010 May 1;18(9):3307-19. Epub 2010 Mar 11. PMID:20363633 doi:10.1016/j.bmc.2010.03.014
- ↑ Yang Z, Alvarez BV, Chakarova C, Jiang L, Karan G, Frederick JM, Zhao Y, Sauve Y, Li X, Zrenner E, Wissinger B, Hollander AI, Katz B, Baehr W, Cremers FP, Casey JR, Bhattacharya SS, Zhang K. Mutant carbonic anhydrase 4 impairs pH regulation and causes retinal photoreceptor degeneration. Hum Mol Genet. 2005 Jan 15;14(2):255-65. Epub 2004 Nov 24. PMID:15563508 doi:ddi023
- ↑ Yang Z, Alvarez BV, Chakarova C, Jiang L, Karan G, Frederick JM, Zhao Y, Sauve Y, Li X, Zrenner E, Wissinger B, Hollander AI, Katz B, Baehr W, Cremers FP, Casey JR, Bhattacharya SS, Zhang K. Mutant carbonic anhydrase 4 impairs pH regulation and causes retinal photoreceptor degeneration. Hum Mol Genet. 2005 Jan 15;14(2):255-65. Epub 2004 Nov 24. PMID:15563508 doi:ddi023