2QI9

ABC-transporter BtuCD in complex with its periplasmic binding protein BtuF

Structural Biology Knowledgebase: 2QI9 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.280
  • R-Value Work: 0.262

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2QI9

Classification: MEMBRANE PROTEIN

Total Structure Weight: 154600.75

Macromolecule Entities
Molecule Chains Length Organism Details
Vitamin B12 import system permease protein btuC A, B 326 Escherichia coli Mutation: C18S, C32S, C120S, C156S, C205S, C206S, C267S
Gene Name(s): btuC b1711 JW1701
Vitamin B12 import ATP-binding protein btuD C, D 249 Escherichia coli EC#: 3.6.3.33 IUBMB
Mutation: C180S
Gene Name(s): btuD b1709 JW1699
Vitamin B12-binding protein btuF F 245 Escherichia coli Gene Name(s): btuF yadT b0158 JW0154

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: ATP Binding Cassette (ABC) Transporters

Protein Name: BtuCD Vitamin B12 Transporter


Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
1PE
Query on 1PE

C, D PENTAETHYLENE GLYCOL
PEG400 (Synonym)
C10 H22 O6
JLFNLZLINWHATN-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PEG
Query on PEG

C, D DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

C, D SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

C, D PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
MSE
Query on MSE
A, B, C, D, F L-PEPTIDE LINKING C5 H11 N O2 Se MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.280
  • R-Value Work: 0.262
  • Space Group: C 1 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 213.58 α = 90.00
b = 127.40 β = 112.76
c = 97.55 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-07-03
  • Released Date: 2007-08-14
  • Deposition author(s): Hvorup, R.N., Goetz, B.A., Niederer, M., Hollenstein, K., Perozo, E., Locher, K.P.

Revision History

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