1AUS

ACTIVATED UNLIGANDED SPINACH RUBISCO


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.217 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structure of a product complex of spinach ribulose-1,5-bisphosphate carboxylase/oxygenase.

Taylor, T.C.Andersson, I.

(1997) Biochemistry 36: 4041-4046

  • DOI: 10.1021/bi962818w
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The crystal structure of an activated complex of ribulose-1,5-bisphosphate carboxylase/oxygenase from spinach and its product 3-phosphoglycerate has been determined to 2.2 A resolution. The structure is of the open form with the active site accessibl ...

    The crystal structure of an activated complex of ribulose-1,5-bisphosphate carboxylase/oxygenase from spinach and its product 3-phosphoglycerate has been determined to 2.2 A resolution. The structure is of the open form with the active site accessible to the solvent as observed in the structures of the activated ligand-free enzyme and the complex of the activated enzyme with the substrate ribulose-1,5-bisphosphate. Two molecules of 3-phosphoglycerate are bound per active site. The phosphates of both molecules bind approximately at the same position as the phosphates of ribulose-1,5-bisphosphate or the six-carbon intermediate analogue 2-carboxyarabinitol-1,5-bisphosphate, but one product molecule is swung out from the active site with its carboxylate group pointing toward solution. The present structure points to direct participation of the active site side chain of lysine 175 in later stages of catalysis. This possibility is discussed in the light of mutagenesis studies.


    Related Citations: 
    • Crystallographic Analysis of Ribulose 1,5-Bisphosphate Carboxylase from Spinach at 2.4 Angstroms Resolution
      Knight, S., Andersson, I., Branden, C.-I.
      (1990) J Mol Biol 215: 113
    • Reexamination of the Three-Dimensional Structure of the Small Subunit of Ru(Dot)Bis(Dot)Co from Higher Plants
      Knight, S., Andersson, I., Branden, C.-I.
      (1989) Science 244: 702
    • Crystal Structure of the Active Site of Ribulose-Bisphosphate Carboxylase
      Andersson, I., Knight, S., Schneider, G., Lindqvist, Y., Lundqvist, T., Branden, C.-I., Lorimer, G.H.
      (1989) Nature 337: 229

    Organizational Affiliation

    Department of Molecular Biology, Swedish University of Agricultural Scineces, Uppsala.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
RIBULOSE BISPHOSPHATE CARBOXYLASE/OXYGENASEL, M, N, O475Spinacia oleraceaMutation(s): 0 
Gene Names: rbcL
EC: 4.1.1.39
Find proteins for P00875 (Spinacia oleracea)
Explore P00875 
Go to UniProtKB:  P00875
Protein Feature View
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
RIBULOSE BISPHOSPHATE CARBOXYLASE/OXYGENASES, T, U, V123Spinacia oleraceaMutation(s): 0 
Gene Names: RBCS2
EC: 4.1.1.39
Find proteins for Q43832 (Spinacia oleracea)
Explore Q43832 
Go to UniProtKB:  Q43832
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
FMT
Query on FMT

Download CCD File 
L, M, N, O
FORMIC ACID
C H2 O2
BDAGIHXWWSANSR-UHFFFAOYSA-N
 Ligand Interaction
MG
Query on MG

Download CCD File 
L, M, N, O
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.217 
  • R-Value Observed: 0.217 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 157.4α = 90
b = 158.7β = 90
c = 203γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
X-PLORrefinement
X-PLORphasing

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1995-10-15
    Type: Initial release
  • Version 1.1: 2008-03-03
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Derived calculations, Version format compliance