2I22

Crystal structure of Escherichia coli phosphoheptose isomerase in complex with reaction substrate sedoheptulose 7-phosphate

Structural Biology Knowledgebase: 2I22 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.203

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2I22

Classification: ISOMERASE

Total Structure Weight: 92347.37

Macromolecule Entities
Molecule Chains Length Organism Details
Phosphoheptose isomerase A, B, C, D 212 Escherichia coli EC#: 5.3.1.28 IUBMB
Gene Name(s): gmhA lpcA tfrA yafI b0222 JW0212

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
I22
Query on I22

B D-ALTRO-HEPT-2-ULOSE 7-PHOSPHATE
7-O-PHOSPHONO-D-ALTRO-HEPT-2-ULOSE; SEDOHEPTULOSE 7- PHOSPHATE (Synonym)
C7 H15 O10 P
JDTUMPKOJBQPKX-GBNDHIKLSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.203
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 73.04 α = 90.00
b = 76.54 β = 106.13
c = 78.32 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-08-15
  • Released Date: 2007-08-21
  • Deposition author(s): Blakely, K., Zhang, K., DeLeon, G., Wright, G., Junop, M.

Revision History

  • 2011-07-13
    Type: Refinement description | Details: Fixed TLS group
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Flag residual B-value | Details: Tagged residual B temperature factor