3M8B

Crystal structure of spin-labeled BtuB V10R1 in the apo state


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.44 Å
  • R-Value Free: 0.248
  • R-Value Work: 0.219

Literature

Macromolecules
Sequence Display for 3M8B

Classification: TRANSPORT PROTEIN

Total Structure Weight: 68896.87

Macromolecule Entities
Molecule Chains Length Organism Details
Vitamin B12 transporter btuB A 594 Escherichia coli Gene Name(s): btuB bfe cer dcrC b3966 JW3938
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: BETA-BARREL

Subgroup Name: Beta-Barrel Membrane Proteins: Monomeric/Dimeric

Protein Name: apo BtuB cobalamin transporter


Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
C8E
Query on C8E

A (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE
C16 H34 O5
FEOZZFHAVXYAMB-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MTN
Query on MTN

A S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro- 1H-pyrrol-3-yl)methyl] methanesulfonothioate
MTSL (Synonym)
C10 H18 N O3 S2
MXZPGYFBZHBAQM-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.44 Å
  • R-Value Free: 0.248
  • R-Value Work: 0.219
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 81.29 α = 90.00
b = 81.29 β = 90.00
c = 226.56 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2010-03-17
  • Released Date: 2010-09-15
  • Deposition author(s): Freed, D.M., Horanyi, P.S., Wiener, M.C., Cafiso, D.S.

Revision History

  • Version 1_0: 2010-09-15

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Version format compliance

  • Version 1_2: 2011-07-27

    Type: Non-polymer description

  • Version 1_3: 2011-10-26

    Type: Database references

  • Version 1_4: 2012-02-15

    Type: Derived calculations, Non-polymer description