1cxc
From Proteopedia
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|PDB= 1cxc |SIZE=350|CAPTION= <scene name='initialview01'>1cxc</scene>, resolution 1.6Å | |PDB= 1cxc |SIZE=350|CAPTION= <scene name='initialview01'>1cxc</scene>, resolution 1.6Å | ||
|SITE= | |SITE= | ||
| - | |LIGAND= <scene name='pdbligand=HEM:PROTOPORPHYRIN IX CONTAINING FE'>HEM</scene> | + | |LIGAND= <scene name='pdbligand=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene> |
|ACTIVITY= | |ACTIVITY= | ||
|GENE= | |GENE= | ||
| + | |DOMAIN= | ||
| + | |RELATEDENTRY= | ||
| + | |RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1cxc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cxc OCA], [http://www.ebi.ac.uk/pdbsum/1cxc PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1cxc RCSB]</span> | ||
}} | }} | ||
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[[Category: Hsu, B T.]] | [[Category: Hsu, B T.]] | ||
[[Category: Rees, D C.]] | [[Category: Rees, D C.]] | ||
| - | [[Category: HEM]] | ||
[[Category: electron transport (cytochrome)]] | [[Category: electron transport (cytochrome)]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:30:24 2008'' |
Revision as of 16:30, 30 March 2008
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| , resolution 1.6Å | |||||||
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| Ligands: | |||||||
| Resources: | FirstGlance, OCA, PDBsum, RCSB | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
CRYSTALLIZATION AND X-RAY STRUCTURE DETERMINATION OF CYTOCHROME C2 FROM RHODOBACTER SPHAEROIDES IN THREE CRYSTAL FORMS
Overview
Cytochrome c(2) serves as the secondary electron donor that reduces the photo-oxidized bacteriochlorophyll dimer in photosynthetic bacteria. Cytochrome c(2) from Rhodobacter sphaeroides has been crystallized in three different forms. At high ionic strength, crystals of a hexagonal space group (P6(1)22) were obtained, while at low ionic strength, triclinic (P1) and tetragonal (P4(1)2(1)2) crystals were formed. The three-dimensional structures of the cytochrome in all three crystal forms have been determined by X-ray diffraction at resolutions of 2.20 A (hexagonal), 1.95 A, (triclinic) and 1.53 A (tetragonal). The most significant difference observed was the binding of an imidazole molecule to the iron atom of the heme group in the hexagonal structure. This binding displaces the sulfur atom of Met l00, which forms the axial ligand in the triclinic and tetragonal structures.
About this Structure
1CXC is a Single protein structure of sequence from Rhodobacter sphaeroides. Full crystallographic information is available from OCA.
Reference
Crystallization and X-ray structure determination of cytochrome c2 from Rhodobacter sphaeroides in three crystal forms., Axelrod HL, Feher G, Allen JP, Chirino AJ, Day MW, Hsu BT, Rees DC, Acta Crystallogr D Biol Crystallogr. 1994 Jul 1;50(Pt 4):596-602. PMID:15299423
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