1R2C Photosynthesis date Sep 26, 2003
title Photosynthetic Reaction Center Blastochloris Viridis (Atcc)
authors R.H.Baxter, N.Ponomarenko, R.Pahl, V.Srajer, K.Moffat, J.R.Norris
compound source
Molecule: Photosynthetic Reaction Center Cytochrome C Subun Precursor;
Chain: C
Synonym: C558c559
Organism_scientific: Blastochloris Viridis
Organism_taxid: 1079

Molecule: Reaction Center Protein L Chain
Chain: L
Synonym: Photosynthetic Reaction Center L Subunit

Organism_scientific: Blastochloris Viridis
Organism_taxid: 1079

Molecule: Reaction Center Protein M Chain
Chain: M
Synonym: Photosynthetic Reaction Center M Subunit

Organism_scientific: Blastochloris Viridis
Organism_taxid: 1079

Molecule: Reaction Center Protein H Chain
Chain: H
Synonym: Photosynthetic Reaction Center H Subunit

Organism_scientific: Blastochloris Viridis
Organism_taxid: 1079
symmetry Space Group: P 43 21 2
R_factor 0.202 R_Free 0.228
length a length b length c angle alpha angle beta angle gamma
223.500 223.500 112.500 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.86 Å
ligand BCB, BPB, FE2, FME, HEM, LDA, MQ7, NS5, SO4, UQ2 enzyme
related structures by homologous chain: 7PRC
  • electron transfer activity

  • H
  • electron transporter, transf...

  • L


    Primary referenceTime-resolved crystallographic studies of light-induced structural changes in the photosynthetic reaction center., Baxter RH, Ponomarenko N, Srajer V, Pahl R, Moffat K, Norris JR, Proc Natl Acad Sci U S A 2004 Apr 20;101(16):5982-7. Epub 2004 Apr 8. PMID:15073325
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (219 Kb) [Save to disk]
  • Biological Unit Coordinates (1r2c.pdb1.gz) 206 Kb
  • Biological Unit Coordinates (1r2c.pdb2.gz) 406 Kb
  • LPC: Ligand-Protein Contacts for 1R2C
  • CSU: Contacts of Structural Units for 1R2C
  • Likely Quarternary Molecular Structure file(s) for 1R2C
  • Structure Factors (554 Kb)
  • Retrieve 1R2C in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1R2C from S2C, [Save to disk]
  • Re-refined 1r2c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1R2C in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1R2C
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1R2C, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1r2cc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1r2ch2, region H:1-36 [Jmol] [rasmolscript] [script source]
        - Domain d1r2ch1, region H:37-258 [Jmol] [rasmolscript] [script source]
        - Domain d1r2cl_, region L [Jmol] [rasmolscript] [script source]
        - Domain d1r2cm_, region M [Jmol] [rasmolscript] [script source]
  • Fold representative 1r2c from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1r2c_C] [1r2c_L] [1r2c_H] [1r2c_M] [1r2c]
  • SWISS-PROT database: [P07173] [P06008] [P06009] [P06010]
  • Other resources with information on 1R2C
  • Community annotation for 1R2C at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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