2ZBO

Crystal structure of low-redox-potential cytochrom c6 from brown alga Hizikia fusiformis at 1.6 A resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.209 
  • R-Value Work: 0.184 
  • R-Value Observed: 0.185 

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Literature

Cloning, expression and purification of cytochrome c(6) from the brown alga Hizikia fusiformis and complete X-ray diffraction analysis of the structure

Akazaki, H.Kawai, F.Chida, H.Matsumoto, Y.Hirayama, M.Hoshikawa, K.Unzai, S.Hakamata, W.Nishio, T.Park, S.-Y.Oku, T.

(2008) Acta Crystallogr Sect F Struct Biol Cryst Commun 64: 674-680

  • DOI: 10.1107/S1744309108017752
  • Primary Citation of Related Structures:  
    2ZBO

  • PubMed Abstract: 
  • The primary sequence of cytochrome c(6) from the brown alga Hizikia fusiformis has been determined by cDNA cloning and the crystal structure has been solved at 1.6 A resolution. The crystal belonged to the tetragonal space group P4(1)2(1)2, with unit-cell parameters a = b = 84 ...

    The primary sequence of cytochrome c(6) from the brown alga Hizikia fusiformis has been determined by cDNA cloning and the crystal structure has been solved at 1.6 A resolution. The crystal belonged to the tetragonal space group P4(1)2(1)2, with unit-cell parameters a = b = 84.58, c = 232.91 A and six molecules per asymmetric unit. The genome code, amino-acid sequence and crystal structure of H. fusiformis cytochrome c(6) were most similar to those of red algal cytochrome c(6). These results support the hypothesis that brown algae acquired their chloroplasts via secondary endosymbiosis involving a red algal endosymbiont and a eukaryote host.


    Organizational Affiliation

    Bio-organic Chemistry Laboratory, Graduate School of Bioresource Sciences, Nihon University, Kameino 1866, Fujisawa-shi, Kanagawa 252-8510, Japan.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Cytochrome c6A, B [auth C], C [auth E], D [auth G], E [auth I], F [auth K]86Sargassum fusiformeMutation(s): 0 
Gene Names: petJ
UniProt
Find proteins for Q76FN8 (Sargassum fusiforme)
Explore Q76FN8 
Go to UniProtKB:  Q76FN8
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.209 
  • R-Value Work: 0.184 
  • R-Value Observed: 0.185 
  • Space Group: P 41 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 84.578α = 90
b = 84.578β = 90
c = 232.911γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling
MOLREPphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2008-09-30
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance