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| [[Image:1fxd.gif|left|200px]] | | {{Seed}} |
| | [[Image:1fxd.png|left|200px]] |
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| {{STRUCTURE_1fxd| PDB=1fxd | SCENE= }} | | {{STRUCTURE_1fxd| PDB=1fxd | SCENE= }} |
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| '''REFINED CRYSTAL STRUCTURE OF FERREDOXIN II FROM DESULFOVIBRIO GIGAS AT 1.7 ANGSTROMS'''
| | ===REFINED CRYSTAL STRUCTURE OF FERREDOXIN II FROM DESULFOVIBRIO GIGAS AT 1.7 ANGSTROMS=== |
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| ==Overview==
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| The crystal structure of ferredoxin II from Desulfovibrio gigas has been determined using phasing from anomalous scattering data at a resolution of 1.7 A and refined to an R-factor of 0.157. The molecule has an overall chain fold similar to that of the other bacterial ferredoxins of known structure. The molecule contains a single 3Fe-4S cluster with geometry indistinguishable from the 4Fe-4S clusters, and a disulfide bond near the site corresponding to the position of the second cluster of two-cluster ferredoxins. The cluster is bound by cysteine residues 8, 14 and 50. The side-chain of cysteine 11 extends away from the cluster, but could rotate to become the fourth cysteine ligand in the four-iron form of the molecule given a local adjustment of the polypeptide chain. This residue is modified, however, by what appears to be a methanethiol group. There are a total of eight NH . . . S bonds to the inorganic and cysteine sulfur atoms of the Fe-S cluster. There is an additional residue found that is not reported for the chemical sequence: according to the electron density a valine residue should be inserted after residue 55. | | The line below this paragraph, {{ABSTRACT_PUBMED_2056535}}, adds the Publication Abstract to the page |
| | (as it appears on PubMed at http://www.pubmed.gov), where 2056535 is the PubMed ID number. |
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| | {{ABSTRACT_PUBMED_2056535}} |
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| ==About this Structure== | | ==About this Structure== |
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| [[Category: Kissinger, C R.]] | | [[Category: Kissinger, C R.]] |
| [[Category: Sieker, L C.]] | | [[Category: Sieker, L C.]] |
| ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 16:52:19 2008'' | | |
| | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 04:05:15 2008'' |
