1ZAK

ADENYLATE KINASE FROM MAIZE IN COMPLEX WITH THE INHIBITOR P1,P5-BIS(ADENOSINE-5'-)PENTAPHOSPHATE (AP5A)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Work: 0.218 
  • R-Value Observed: 0.218 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structure, catalysis and supramolecular assembly of adenylate kinase from maize.

Wild, K.Grafmuller, R.Wagner, E.Schulz, G.E.

(1997) Eur J Biochem 250: 326-331

  • DOI: 10.1111/j.1432-1033.1997.0326a.x
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The crystal structure of adenylate kinase from maize ligated with an inhibitor has been determined by molecular replacement and refined to 3.5-A resolution. The enzyme keeps the ATP/ADP/AMP equilibrium in the cell. In the C4 plant maize, it has the s ...

    The crystal structure of adenylate kinase from maize ligated with an inhibitor has been determined by molecular replacement and refined to 3.5-A resolution. The enzyme keeps the ATP/ADP/AMP equilibrium in the cell. In the C4 plant maize, it has the special task to recycle the AMP produced in large amounts in primary CO2 assimilation. The established structure explains the side reaction with CMP. Moreover, it shows infinite rods that can be readily discerned in the crystal packing. In comparison with homologues, two structural differences that are crucial for this supramolecular assembly are evident. We propose that the rods represent a natural inactive storage form that assembles at night when maize stops CO2 assimilation and thus most of the AMP production in its C4 cycle. The enzyme is particularly abundant in mesophyll chloroplasts, where such an assembly would release appreciable amounts of water that can be used in other processes during the night.


    Related Citations: 
    • Primary Structure of Maize Chloroplast Adenylate Kinase
      Schiltz, E., Burger, S., Grafmuller, R., Deppert, W.R., Haehnel, W., Wagner, E.
      (1994) Eur J Biochem 222: 949

    Organizational Affiliation

    Institut für Organische Chemie und Biochemie, Albert-Ludwigs-Universität, Freiburg im Breisgau, Germany.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
ADENYLATE KINASE
A, B
222Zea maysMutation(s): 0 
EC: 2.7.4.3
Find proteins for P43188 (Zea mays)
Go to UniProtKB:  P43188
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
AP5
Query on AP5

Download CCD File 
A, B
BIS(ADENOSINE)-5'-PENTAPHOSPHATE
C20 H29 N10 O22 P5
OIMACDRJUANHTJ-XPWFQUROSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Work: 0.218 
  • R-Value Observed: 0.218 
  • Space Group: P 3
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 83.3α = 90
b = 83.3β = 90
c = 69.9γ = 120
Software Package:
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
XDSdata reduction
MERGEdata scaling
X-PLORphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

  • Deposited Date: 1997-05-31 
  • Released Date: 1998-04-08 
  • Deposition Author(s): Wild, K., Schulz, G.E.

Revision History 

  • Version 1.0: 1998-04-08
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance