1AG9

FLAVODOXINS THAT ARE REQUIRED FOR ENZYME ACTIVATION: THE STRUCTURE OF OXIDIZED FLAVODOXIN FROM ESCHERICHIA COLI AT 1.8 ANGSTROMS RESOLUTION.

Structural Biology Knowledgebase: 1AG9 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.196

Literature

Macromolecules
Sequence Display for 1AG9

Classification: ELECTRON TRANSPORT

Total Structure Weight: 40902.05

Macromolecule Entities
Molecule Chains Length Organism Details
FLAVODOXIN A, B 175 Escherichia coli Gene Name(s): fldA b0684 JW0671
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
FMN
Query on FMN

A, B FLAVIN MONONUCLEOTIDE
RIBOFLAVIN MONOPHOSPHATE (Synonym)
C17 H21 N4 O9 P
FVTCRASFADXXNN-SCRDCRAPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BTB
Query on BTB

A, B 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- PROPANE-1,3-DIOL
BIS-TRIS BUFFER (Synonym)
C8 H19 N O5
OWMVSZAMULFTJU-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, B CALCIUM ION
Ca
BHPQYMZQTOCNFJ-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)
NA
Query on NA

A, B SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
FMN N/A in BindingDB
Ki: 1 nM  BindingMOAD
Kd: 1 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.196
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 126.40 α = 90.00
b = 41.10 β = 90.00
c = 68.15 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-04-04
  • Released Date: 1997-12-24
  • Deposition author(s): Hoover, D.M., Ludwig, M.L.

Revision History

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