1H9K

Two crystal structures of the cytoplasmic molybdate-binding protein ModG suggest a novel cooperative binding mechanism and provide insights into ligand-binding specificity. Phosphate-grown form with tungstate and phosphate bound


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.186

Literature

Macromolecules
Sequence Display for 1H9K

Classification: BINDING PROTEIN

Total Structure Weight: 15340.58

Macromolecule Entities
Molecule Chains Length Organism Details
MOLYBDENUM-BINDING-PROTEIN A 145 Azotobacter vinelandii Gene Name(s): modG
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
WO4
Query on WO4

A TUNGSTATE(VI)ION
O4 W
PBYZMCDFOULPGH-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

A PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.186
  • Space Group: P 3 2 1

Unit Cell:

Length (Å) Angle (°)
a = 50.69 α = 90.00
b = 50.69 β = 90.00
c = 79.11 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-03-13
  • Released Date: 2001-05-11
  • Deposition author(s): Delarbre, L., Stevenson, C.E.M., White, D.J., Mitchenall, L.A., Pau, R.N., Lawson, D.M.

Revision History

  • Version 1_0: 2001-05-11

    Type: Initial release

  • Version 1_1: 2011-05-07

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance