1KFL

Crystal structure of phenylalanine-regulated 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase (DAHP synthase) from E.coli complexed with Mn2+, PEP, and Phe

Structural Biology Knowledgebase: 1KFL SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.246
  • R-Value Work: 0.218

Literature

Macromolecules
Sequence Display for 1KFL

Classification: LYASE

Total Structure Weight: 312122.34

Macromolecule Entities
Molecule Chains Length Organism Details
3-deoxy-D-arabino-heptulosonate-7-phosphate synthase A, B, C..., D, E, F, G, HA, B, C, D, E, F, G, H 350 Escherichia coli EC#: 2.5.1.54 IUBMB
Gene Name(s): aroG b0754 JW0737
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B, C, D, E, F, G, H PHOSPHOENOLPYRUVATE
C3 H5 O6 P
DTBNBXWJWCWCIK-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PHE
Query on PHE

A, B, C, D, E, F, G, H PHENYLALANINE
C9 H11 N O2
COLNVLDHVKWLRT-QMMMGPOBSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B, C, D, E, F, G, H SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MN
Query on MN

A, B, C, D, E, F, G, H MANGANESE (II) ION
Mn
WAEMQWOKJMHJLA-UHFFFAOYSA-N
Ligand Explorer NGL
 
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, E, F, G, H L-PEPTIDE LINKING C5 H11 N O2 Se MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.246
  • R-Value Work: 0.218
  • Space Group: C 1 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 290.10 α = 90.00
b = 90.10 β = 120.77
c = 155.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-11-21
  • Released Date: 2002-08-23
  • Deposition author(s): Shumilin, I.A., Zhao, C., Bauerle, R., Kretsinger, R.H.

Revision History

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