6V2N

Crystal structure of E. coli phosphoenolpyruvate carboxykinase mutant Lys254Ser


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.174 
  • R-Value Work: 0.146 
  • R-Value Observed: 0.146 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Kinetic and structural analysis of Escherichia coli phosphoenolpyruvate carboxykinase mutants.

Sokaribo, A.Novakovski, B.A.A.Cotelesage, J.White, A.P.Sanders, D.Goldie, H.

(2020) Biochim Biophys Acta Gen Subj 1864: 129517-129517

  • DOI: 10.1016/j.bbagen.2020.129517
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Phosphoenolpyruvate carboxykinase (PEPCK) is a metabolic enzyme in the gluconeogenesis pathway, where it catalyzes the reversible conversion of oxaloacetate (OAA) to phosphoenolpyruvate (PEP) and CO 2 . The substrates for Escherichia coli ...

    Phosphoenolpyruvate carboxykinase (PEPCK) is a metabolic enzyme in the gluconeogenesis pathway, where it catalyzes the reversible conversion of oxaloacetate (OAA) to phosphoenolpyruvate (PEP) and CO 2 . The substrates for Escherichia coli PEPCK are OAA and MgATP, with Mn 2+ acting as a cofactor. Analysis of PEPCK structures have revealed amino acid residues involved in substrate/cofactor coordination during catalysis.


    Organizational Affiliation

    Department of Biochemistry, Microbiology and Immunology, University of Saskatchewan, Saskatoon, SK, Canada. Electronic address: hughes.goldie@usask.ca.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Phosphoenolpyruvate carboxykinase (ATP)
A
540Escherichia coliMutation(s): 0 
Gene Names: pckAD9G24_04840
EC: 4.1.1.49
Find proteins for P22259 (Escherichia coli (strain K12))
Go to UniProtKB:  P22259
Protein Feature View
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ACT
Query on ACT

Download CCD File 
A
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
CA
Query on CA

Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.174 
  • R-Value Work: 0.146 
  • R-Value Observed: 0.146 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 54.906α = 90
b = 76.647β = 96.38
c = 65.421γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XDSdata scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2019-12-25
    Type: Initial release
  • Version 1.1: 2020-01-22
    Changes: Database references