1h33
From Proteopedia
(New page: 200px<br /> <applet load="1h33" size="450" color="white" frame="true" align="right" spinBox="true" caption="1h33, resolution 1.75Å" /> '''OXIDISED SOXAX COMP...) |
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==About this Structure== | ==About this Structure== | ||
| - | 1H33 is a [[http://en.wikipedia.org/wiki/Protein_complex Protein complex]] structure of sequences from [[http://en.wikipedia.org/wiki/Rhodovulum_sulfidophilum Rhodovulum sulfidophilum]] with HEC as [[http://en.wikipedia.org/wiki/ligand ligand]]. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1H33 OCA]]. | + | 1H33 is a [[http://en.wikipedia.org/wiki/Protein_complex Protein complex]] structure of sequences from [[http://en.wikipedia.org/wiki/Rhodovulum_sulfidophilum Rhodovulum sulfidophilum]] with HEC as [[http://en.wikipedia.org/wiki/ligand ligand]]. Structure known Active Site: HA1. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1H33 OCA]]. |
==Reference== | ==Reference== | ||
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[[Category: thiosulfate oxidation]] | [[Category: thiosulfate oxidation]] | ||
| - | ''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 12:29:23 2007'' |
Revision as of 10:24, 30 October 2007
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OXIDISED SOXAX COMPLEX FROM RHODOVULUM SULFIDOPHILUM
Overview
Reduced inorganic sulfur compounds are utilized by many bacteria as, electron donors to photosynthetic or respiratory electron transport, chains. This metabolism is a key component of the biogeochemical sulfur, cycle. The SoxAX protein is a heterodimeric c-type cytochrome involved in, thiosulfate oxidation. The crystal structures of SoxAX from the, photosynthetic bacterium Rhodovulum sulfidophilum have been solved at 1.75, A resolution in the oxidized state and at 1.5 A resolution in the, dithionite-reduced state, providing the first structural insights into the, enzymatic oxidation of thiosulfate. The SoxAX active site contains a haem, with unprecedented cysteine persulfide (cysteine sulfane) coordination., This unusual post-translational modification is also seen in, sulfurtransferases ... [(full description)]
About this Structure
1H33 is a [Protein complex] structure of sequences from [Rhodovulum sulfidophilum] with HEC as [ligand]. Structure known Active Site: HA1. Full crystallographic information is available from [OCA].
Reference
Structural basis for the oxidation of thiosulfate by a sulfur cycle enzyme., Bamford VA, Bruno S, Rasmussen T, Appia-Ayme C, Cheesman MR, Berks BC, Hemmings AM, EMBO J. 2002 Nov 1;21(21):5599-610. PMID:12411478
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