1N2Z

2.0 Angstrom structure of BtuF, the vitamin B12 binding protein of E. coli

Structural Biology Knowledgebase: 1N2Z SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.210
  • R-Value Work: 0.189

Literature

Macromolecules
Sequence Display for 1N2Z

Classification: TRANSPORT PROTEIN

Total Structure Weight: 59684.81

Macromolecule Entities
Molecule Chains Length Organism Details
Vitamin B12 transport protein btuF A, B 245 Escherichia coli Gene Name(s): btuF yadT b0158 JW0154
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CNC
Query on CNC

A, B CO-CYANOCOBALAMIN
C63 H88 Co N14 O14 P
OEEKSCBDGPRZJZ-BYLSPCLQSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PG4
Query on PG4

A TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CD
Query on CD

A, B CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A, B CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.210
  • R-Value Work: 0.189
  • Space Group: P 65

Unit Cell:

Length (Å) Angle (°)
a = 133.07 α = 90.00
b = 133.07 β = 90.00
c = 67.69 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-10-24
  • Released Date: 2002-12-18
  • Deposition author(s): Borths, E.L., Locher, K.P., Lee, A.T., Rees, D.C.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4