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1a42

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(New page: 200px<br /> <applet load="1a42" size="450" color="white" frame="true" align="right" spinBox="true" caption="1a42, resolution 2.25&Aring;" /> '''HUMAN CARBONIC ANHY...)
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==About this Structure==
==About this Structure==
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1A42 is a [[http://en.wikipedia.org/wiki/Single_protein Single protein]] structure of sequence from [[http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]] with HG, ZN and BZU as [[http://en.wikipedia.org/wiki/ligands ligands]]. Active as [[http://en.wikipedia.org/wiki/ ]], with EC number [[http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.1.1 4.2.1.1]]. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1A42 OCA]].
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1A42 is a [[http://en.wikipedia.org/wiki/Single_protein Single protein]] structure of sequence from [[http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]] with HG, ZN and BZU as [[http://en.wikipedia.org/wiki/ligands ligands]]. Active as [[http://en.wikipedia.org/wiki/Carbonate_dehydratase Carbonate dehydratase]], with EC number [[http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.1.1 4.2.1.1]]. Structure known Active Site: ZN. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1A42 OCA]].
==Reference==
==Reference==
Structures of murine carbonic anhydrase IV and human carbonic anhydrase II complexed with brinzolamide: molecular basis of isozyme-drug discrimination., Stams T, Chen Y, Boriack-Sjodin PA, Hurt JD, Liao J, May JA, Dean T, Laipis P, Silverman DN, Christianson DW, Protein Sci. 1998 Mar;7(3):556-63. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9541386 9541386]
Structures of murine carbonic anhydrase IV and human carbonic anhydrase II complexed with brinzolamide: molecular basis of isozyme-drug discrimination., Stams T, Chen Y, Boriack-Sjodin PA, Hurt JD, Liao J, May JA, Dean T, Laipis P, Silverman DN, Christianson DW, Protein Sci. 1998 Mar;7(3):556-63. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9541386 9541386]
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[[Category: Carbonate dehydratase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: zinc]]
[[Category: zinc]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Oct 29 18:19:59 2007''
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 11:45:06 2007''

Revision as of 09:40, 30 October 2007


1a42, resolution 2.25Å

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HUMAN CARBONIC ANHYDRASE II COMPLEXED WITH BRINZOLAMIDE

Overview

Carbonic anhydrase IV (CAIV) is a membrane-associated enzyme anchored to, plasma membrane surfaces by a phosphatidylinositol glycan linkage. We have, determined the 2.8-angstroms resolution crystal structure of a truncated, soluble form of recombinant murine CAIV. We have also determined the, structure of its complex with a drug used for glaucoma therapy, the, sulfonamide inhibitor brinzolamide (Azopt). The overall structure of, murine CAIV is generally similar to that of human CAIV; however, some, local structural differences are found in the active site resulting from, amino acid sequence differences in the "130's segment" and the residue-63, loop (these may affect the nearby catalytic proton shuttle, His-64)., Similar to human CAIV, the C-terminus of murine CAIV is surrounded by a, ... [(full description)]

About this Structure

1A42 is a [Single protein] structure of sequence from [Homo sapiens] with HG, ZN and BZU as [ligands]. Active as [Carbonate dehydratase], with EC number [4.2.1.1]. Structure known Active Site: ZN. Full crystallographic information is available from [OCA].

Reference

Structures of murine carbonic anhydrase IV and human carbonic anhydrase II complexed with brinzolamide: molecular basis of isozyme-drug discrimination., Stams T, Chen Y, Boriack-Sjodin PA, Hurt JD, Liao J, May JA, Dean T, Laipis P, Silverman DN, Christianson DW, Protein Sci. 1998 Mar;7(3):556-63. PMID:9541386

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