1dmo

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[[Image:1dmo.gif|left|200px]]
[[Image:1dmo.gif|left|200px]]
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{{Structure
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The line below this paragraph, containing "STRUCTURE_1dmo", creates the "Structure Box" on the page.
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|GENE= XENOPUS LAEVIS ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=8355 Xenopus laevis])
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{{STRUCTURE_1dmo| PDB=1dmo | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1dmo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dmo OCA], [http://www.ebi.ac.uk/pdbsum/1dmo PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1dmo RCSB]</span>
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'''CALMODULIN, NMR, 30 STRUCTURES'''
'''CALMODULIN, NMR, 30 STRUCTURES'''
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[[Category: Tanaka, T.]]
[[Category: Tanaka, T.]]
[[Category: Zhang, M.]]
[[Category: Zhang, M.]]
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[[Category: calcium-binding protein]]
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[[Category: Calcium-binding protein]]
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[[Category: calcium-induced conformational change]]
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[[Category: Calcium-induced conformational change]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 14:01:49 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:44:48 2008''
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Revision as of 11:01, 2 May 2008

Template:STRUCTURE 1dmo

CALMODULIN, NMR, 30 STRUCTURES


Overview

The solution structure of Ca(2+)-free calmodulin has been determined by NMR spectroscopy, and is compared to the previously reported structure of the Ca(2+)-saturated form. The removal of Ca2+ causes the interhelical angles of four EF-hand motifs to increase by 36 degrees-44 degrees. This leads to major changes in surface properties, including the closure of the deep hydrophobic cavity essential for target protein recognition. Concerted movements of helices A and D with respect to B and C, and of helices E and H with respect to F and G are likely responsible for the cooperative Ca(2+)-binding property observed between two adjacent EF-hand sites in the amino- and carboxy-terminal domains.

About this Structure

1DMO is a Single protein structure of sequence from Xenopus laevis. Full crystallographic information is available from OCA.

Reference

Calcium-induced conformational transition revealed by the solution structure of apo calmodulin., Zhang M, Tanaka T, Ikura M, Nat Struct Biol. 1995 Sep;2(9):758-67. PMID:7552747 Page seeded by OCA on Fri May 2 14:01:49 2008

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