1cfc

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{{STRUCTURE_1cfc| PDB=1cfc | SCENE= }}
{{STRUCTURE_1cfc| PDB=1cfc | SCENE= }}
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'''CALCIUM-FREE CALMODULIN'''
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===CALCIUM-FREE CALMODULIN===
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==Overview==
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The three-dimensional structure of calmodulin in the absence of Ca2+ has been determined by three- and four-dimensional heteronuclear NMR experiments, including ROE, isotope-filtering combined with reverse labelling, and measurement of more than 700 three-bond J-couplings. In analogy with the Ca(2+)-ligated state of this protein, it consists of two small globular domains separated by a flexible linker, with no stable, direct contacts between the two domains. In the absence of Ca2+, the four helices in each of the two globular domains form a highly twisted bundle, capped by a short anti-parallel beta-sheet. This arrangement is qualitatively similar to that observed in the crystal structure of the Ca(2+)-free N-terminal domain of troponin C.
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{{ABSTRACT_PUBMED_7552748}}
==About this Structure==
==About this Structure==
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1CFC is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Xenopus_laevis Xenopus laevis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CFC OCA].
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1CFC is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Xenopus_laevis Xenopus laevis]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CFC OCA].
==Reference==
==Reference==
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[[Category: Tjandra, N.]]
[[Category: Tjandra, N.]]
[[Category: Calcium-binding protein]]
[[Category: Calcium-binding protein]]
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Revision as of 17:40, 30 June 2008

Image:1cfc.png


PDB ID 1cfc

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1cfc, 25 NMR models ()
Related: 1cfd
Resources: FirstGlance, OCA, RCSB, PDBsum
Coordinates: save as pdb, mmCIF, xml



CALCIUM-FREE CALMODULIN

Template:ABSTRACT PUBMED 7552748

About this Structure

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

Reference

Solution structure of calcium-free calmodulin., Kuboniwa H, Tjandra N, Grzesiek S, Ren H, Klee CB, Bax A, Nat Struct Biol. 1995 Sep;2(9):768-76. PMID:7552748

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