1JGW

Photosynthetic Reaction Center Mutant With Thr M 21 Replaced With Leu


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.80 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.211 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Individual interactions influence the crystalline order for membrane proteins.

Camara-Artigas, A.Magee, C.L.Williams, J.C.Allen, J.P.

(2001) Acta Crystallogr D Biol Crystallogr 57: 1281-1286

  • DOI: 10.1107/s090744490101109x
  • Primary Citation of Related Structures:  
    1JGW, 1JGX, 1JGY, 1JGZ, 1JH0

  • PubMed Abstract: 
  • The role of contact interactions in the crystallization of membrane proteins was assessed by mutation of amino-acid residues on the surface of the reaction center from Rhodobacter sphaeroides. Five single-site mutants were constructed, with changes in contact regions found in the trigonal and tetragonal forms but not the orthorhombic form ...

    The role of contact interactions in the crystallization of membrane proteins was assessed by mutation of amino-acid residues on the surface of the reaction center from Rhodobacter sphaeroides. Five single-site mutants were constructed, with changes in contact regions found in the trigonal and tetragonal forms but not the orthorhombic form. Crystallization trials for the tetragonal form yielded either no crystals or crystals with an altered morphology, whereas crystals grew in the other two forms, indicating that these interactions are essential for the stability of the tetragonal crystals. Changes in the structures determined by X-ray diffraction of trigonal crystals for each mutant were related to the quality of the diffraction. Significant differences in the resolution limit of the crystals were associated with the loss of specific interactions between neighboring proteins. The results suggest that the contact regions are crucial for obtaining highly ordered crystals of membrane proteins.


    Related Citations: 
    • Specific Alteration of the Oxidation Potential of the Electron Donor in Reaction Centers from Rhodobacter sphaeroides
      Lin, X., Murchison, H.A., Nagarajan, V., Parson, W.W., Allen, J.P., Willians, J.C.
      (1994) Proc Natl Acad Sci U S A 91: 10265

    Organizational Affiliation

    Department of Chemistry and Biochemistry, Arizona State University, Tempe, AZ 85287-1604, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Photosynthetic Reaction Center L subunitA [auth L]281Cereibacter sphaeroidesMutation(s): 0 
Gene Names: pufL
Membrane Entity: Yes 
UniProt
Find proteins for P0C0Y8 (Cereibacter sphaeroides)
Explore P0C0Y8 
Go to UniProtKB:  P0C0Y8
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0C0Y8
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Photosynthetic Reaction Center M subunitB [auth M]307Cereibacter sphaeroidesMutation(s): 1 
Gene Names: pufM
Membrane Entity: Yes 
UniProt
Find proteins for P0C0Y9 (Cereibacter sphaeroides)
Explore P0C0Y9 
Go to UniProtKB:  P0C0Y9
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0C0Y9
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Photosynthetic Reaction Center H subunitC [auth H]260Cereibacter sphaeroidesMutation(s): 0 
Gene Names: puhA
Membrane Entity: Yes 
UniProt
Find proteins for P0C0Y7 (Cereibacter sphaeroides)
Explore P0C0Y7 
Go to UniProtKB:  P0C0Y7
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0C0Y7
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 6 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CDL
Query on CDL

Download Ideal Coordinates CCD File 
M CARDIOLIPIN
C81 H156 O17 P2
XVTUQDWPJJBEHJ-KZCWQMDCSA-L
 Ligand Interaction
BCL
Query on BCL

Download Ideal Coordinates CCD File 
D [auth L],
E [auth L],
H [auth M],
I [auth M]
BACTERIOCHLOROPHYLL A
C55 H74 Mg N4 O6
DSJXIQQMORJERS-RUUWGSCADZ
 Ligand Interaction
BPH
Query on BPH

Download Ideal Coordinates CCD File 
F [auth L],
J [auth M]
BACTERIOPHEOPHYTIN A
C55 H76 N4 O6
KWOZSBGNAHVCKG-SZQBJALDSA-N
 Ligand Interaction
U10
Query on U10

Download Ideal Coordinates CCD File 
K [auth M]UBIQUINONE-10
C59 H90 O4
ACTIUHUUMQJHFO-UPTCCGCDSA-N
 Ligand Interaction
SPO
Query on SPO

Download Ideal Coordinates CCD File 
L [auth M]SPHEROIDENE
C41 H60 O
FJOCMTHZSURUFA-KXCOHNEYSA-N
 Ligand Interaction
FE
Query on FE

Download Ideal Coordinates CCD File 
G [auth M]FE (III) ION
Fe
VTLYFUHAOXGGBS-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.80 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.211 
  • Space Group: P 31 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 142.6α = 90
b = 142.6β = 90
c = 187.4γ = 120
Software Package:
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
SCALEPACKdata scaling
CNSphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2001-09-05
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Non-polymer description, Version format compliance
  • Version 1.3: 2021-10-27
    Changes: Database references, Derived calculations