1GDV
CRYSTAL STRUCTURE OF CYTOCHROME C6 FROM RED ALGA PORPHYRA YEZOENSIS AT 1.57 A RESOLUTION
Summary for 1GDV
| Entry DOI | 10.2210/pdb1gdv/pdb |
| Descriptor | CYTOCHROME C6, HEME C (3 entities in total) |
| Functional Keywords | cytochrome c6, red alga, electron transport |
| Biological source | Porphyra yezoensis |
| Total number of polymer chains | 1 |
| Total formula weight | 9703.52 |
| Authors | Yamada, S.,Park, S.-Y.,Shimizu, H.,Shiro, Y.,Oku, T. (deposition date: 2000-10-06, release date: 2001-04-06, Last modification date: 2024-10-16) |
| Primary citation | Yamada, S.,Park, S.Y.,Shimizu, H.,Koshizuka, Y.,Kadokura, K.,Satoh, T.,Suruga, K.,Ogawa, M.,Isogai, Y.,Nishio, T.,Shiro, Y.,Oku, T. Structure of cytochrome c6 from the red alga Porphyra yezoensis at 1. 57 A resolution. Acta Crystallogr.,Sect.D, 56:1577-1582, 2000 Cited by PubMed Abstract: The crystal structure of cytochrome c(6) from the red alga Porphyra yezoensis has been determined at 1.57 A resolution. The crystal is tetragonal and belongs to space group P4(3)2(1)2, with unit-cell parameters a = b = 49.26 (3), c = 83.45 (4) A and one molecule per asymmetric unit. The structure was solved by the molecular-replacement method and refined with X-PLOR to an R factor of 19.9% and a free R factor of 25.4%. The overall structure of cytochrome c(6) follows the topology of class I c-type cytochromes in which the heme prosthetic group covalently binds to Cys14 and Cys17, and the iron has an octahedral coordination with His18 and Met58 as the axial ligands. The sequence and the structure of the eukaryotic red algal cytochrome c(6) are very similar to those of a prokaryotic cyanobacterial cytochrome c(6) rather than those of eukaryotic green algal c(6) cytochromes. PubMed: 11092924DOI: 10.1107/S090744490001461X PDB entries with the same primary citation |
| Experimental method | X-RAY DIFFRACTION (1.57 Å) |
Structure validation
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