4iqa: Difference between revisions

Revision as of 20:29, 25 December 2014

Crystal Structure Analysis of the E228L Mutant of Human CLIC1

Structural highlights

4iqa is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Related:	3uvh, 3p8w
Gene:	CLIC1, G6, NCC27 (Homo sapiens)
Resources:	FirstGlance, OCA, RCSB, PDBsum

Function

[CLIC1_HUMAN] Can insert into membranes and form chloride ion channels. Channel activity depends on the pH. Membrane insertion seems to be redox-regulated and may occur only under oxydizing conditions. Involved in regulation of the cell cycle.^[1] ^[2] ^[3] ^[4] ^[5] ^[6] ^[7]

References

↑ Valenzuela SM, Martin DK, Por SB, Robbins JM, Warton K, Bootcov MR, Schofield PR, Campbell TJ, Breit SN. Molecular cloning and expression of a chloride ion channel of cell nuclei. J Biol Chem. 1997 May 9;272(19):12575-82. PMID:9139710
↑ Tonini R, Ferroni A, Valenzuela SM, Warton K, Campbell TJ, Breit SN, Mazzanti M. Functional characterization of the NCC27 nuclear protein in stable transfected CHO-K1 cells. FASEB J. 2000 Jun;14(9):1171-8. PMID:10834939
↑ Valenzuela SM, Mazzanti M, Tonini R, Qiu MR, Warton K, Musgrove EA, Campbell TJ, Breit SN. The nuclear chloride ion channel NCC27 is involved in regulation of the cell cycle. J Physiol. 2000 Dec 15;529 Pt 3:541-52. PMID:11195932
↑ Tulk BM, Kapadia S, Edwards JC. CLIC1 inserts from the aqueous phase into phospholipid membranes, where it functions as an anion channel. Am J Physiol Cell Physiol. 2002 May;282(5):C1103-12. PMID:11940526 doi:10.1152/ajpcell.00402.2001
↑ Warton K, Tonini R, Fairlie WD, Matthews JM, Valenzuela SM, Qiu MR, Wu WM, Pankhurst S, Bauskin AR, Harrop SJ, Campbell TJ, Curmi PM, Breit SN, Mazzanti M. Recombinant CLIC1 (NCC27) assembles in lipid bilayers via a pH-dependent two-state process to form chloride ion channels with identical characteristics to those observed in Chinese hamster ovary cells expressing CLIC1. J Biol Chem. 2002 Jul 19;277(29):26003-11. Epub 2002 Apr 26. PMID:11978800 doi:https://dx.doi.org/10.1074/jbc.M203666200
↑ Harrop SJ, DeMaere MZ, Fairlie WD, Reztsova T, Valenzuela SM, Mazzanti M, Tonini R, Qiu MR, Jankova L, Warton K, Bauskin AR, Wu WM, Pankhurst S, Campbell TJ, Breit SN, Curmi PM. Crystal structure of a soluble form of the intracellular chloride ion channel CLIC1 (NCC27) at 1.4-A resolution. J Biol Chem. 2001 Nov 30;276(48):44993-5000. Epub 2001 Sep 10. PMID:11551966 doi:10.1074/jbc.M107804200
↑ Littler DR, Harrop SJ, Fairlie WD, Brown LJ, Pankhurst GJ, Pankhurst S, DeMaere MZ, Campbell TJ, Bauskin AR, Tonini R, Mazzanti M, Breit SN, Curmi PM. The intracellular chloride ion channel protein CLIC1 undergoes a redox-controlled structural transition. J Biol Chem. 2004 Mar 5;279(10):9298-305. Epub 2003 Nov 12. PMID:14613939 doi:https://dx.doi.org/10.1074/jbc.M308444200

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OCA

[1] Valenzuela SM, Martin DK, Por SB, Robbins JM, Warton K, Bootcov MR, Schofield PR, Campbell TJ, Breit SN. Molecular cloning and expression of a chloride ion channel of cell nuclei. J Biol Chem. 1997 May 9;272(19):12575-82. PMID:9139710

[2] Tonini R, Ferroni A, Valenzuela SM, Warton K, Campbell TJ, Breit SN, Mazzanti M. Functional characterization of the NCC27 nuclear protein in stable transfected CHO-K1 cells. FASEB J. 2000 Jun;14(9):1171-8. PMID:10834939

[3] Valenzuela SM, Mazzanti M, Tonini R, Qiu MR, Warton K, Musgrove EA, Campbell TJ, Breit SN. The nuclear chloride ion channel NCC27 is involved in regulation of the cell cycle. J Physiol. 2000 Dec 15;529 Pt 3:541-52. PMID:11195932

[4] Tulk BM, Kapadia S, Edwards JC. CLIC1 inserts from the aqueous phase into phospholipid membranes, where it functions as an anion channel. Am J Physiol Cell Physiol. 2002 May;282(5):C1103-12. PMID:11940526 doi:10.1152/ajpcell.00402.2001

[5] Warton K, Tonini R, Fairlie WD, Matthews JM, Valenzuela SM, Qiu MR, Wu WM, Pankhurst S, Bauskin AR, Harrop SJ, Campbell TJ, Curmi PM, Breit SN, Mazzanti M. Recombinant CLIC1 (NCC27) assembles in lipid bilayers via a pH-dependent two-state process to form chloride ion channels with identical characteristics to those observed in Chinese hamster ovary cells expressing CLIC1. J Biol Chem. 2002 Jul 19;277(29):26003-11. Epub 2002 Apr 26. PMID:11978800 doi:https://dx.doi.org/10.1074/jbc.M203666200

[6] Harrop SJ, DeMaere MZ, Fairlie WD, Reztsova T, Valenzuela SM, Mazzanti M, Tonini R, Qiu MR, Jankova L, Warton K, Bauskin AR, Wu WM, Pankhurst S, Campbell TJ, Breit SN, Curmi PM. Crystal structure of a soluble form of the intracellular chloride ion channel CLIC1 (NCC27) at 1.4-A resolution. J Biol Chem. 2001 Nov 30;276(48):44993-5000. Epub 2001 Sep 10. PMID:11551966 doi:10.1074/jbc.M107804200

[7] Littler DR, Harrop SJ, Fairlie WD, Brown LJ, Pankhurst GJ, Pankhurst S, DeMaere MZ, Campbell TJ, Bauskin AR, Tonini R, Mazzanti M, Breit SN, Curmi PM. The intracellular chloride ion channel protein CLIC1 undergoes a redox-controlled structural transition. J Biol Chem. 2004 Mar 5;279(10):9298-305. Epub 2003 Nov 12. PMID:14613939 doi:https://dx.doi.org/10.1074/jbc.M308444200

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@@ Line 1: / Line 1: @@
-[[Image:4iqa.jpg|left|200px]]
+==Crystal Structure Analysis of the E228L Mutant of Human CLIC1==
+<StructureSection load='4iqa' size='340' side='right' caption='[[4iqa]], [[Resolution|resolution]] 2.49&Aring;' scene=''>
-{{STRUCTURE_4iqa|  PDB=4iqa  |  SCENE=  }}
+== Structural highlights ==
+<table><tr><td colspan='2'>[[4iqa]] is a 2 chain structure with 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=4IQA OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4IQA FirstGlance]. <br>
-===Crystal Structure Analysis of the E228L Mutant of Human CLIC1===
+</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3uvh|3uvh]], [[3p8w|3p8w]]</td></tr>
+<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CLIC1, G6, NCC27 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
+<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4iqa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4iqa OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4iqa RCSB], [http://www.ebi.ac.uk/pdbsum/4iqa PDBsum]</span></td></tr>
-==About this Structure==
+</table>
-[[4iqa]] is a 2 chain structure with 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=4IQA OCA].
+== Function ==
+[[http://www.uniprot.org/uniprot/CLIC1_HUMAN CLIC1_HUMAN]] Can insert into membranes and form chloride ion channels. Channel activity depends on the pH. Membrane insertion seems to be redox-regulated and may occur only under oxydizing conditions. Involved in regulation of the cell cycle.<ref>PMID:9139710</ref> <ref>PMID:10834939</ref> <ref>PMID:11195932</ref> <ref>PMID:11940526</ref> <ref>PMID:11978800</ref> <ref>PMID:11551966</ref> <ref>PMID:14613939</ref>
+== References ==
+<references/>
+__TOC__
+</StructureSection>
 [[Category: Homo sapiens]]
-[[Category: Achilonu, I A.]]
+[[Category: Achilonu, I A]]
 [[Category: Cross, M O]]
-[[Category: Dirr, H W.]]
+[[Category: Dirr, H W]]
-[[Category: Fanucchi, S.]]
+[[Category: Fanucchi, S]]
-[[Category: Fernandes, M A.]]
+[[Category: Fernandes, M A]]
 [[Category: Clic]]
 [[Category: Glutathione transferase]]
 [[Category: Ph salt bridge ion channel]]
 [[Category: Transport protein]]

4iqa: Difference between revisions

Revision as of 20:29, 25 December 2014

Crystal Structure Analysis of the E228L Mutant of Human CLIC1

Structural highlights

Function

References

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