1FWM

Crystal structure of the thymidylate synthase R166Q mutant

Structural Biology Knowledgebase: 1FWM SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.180

Literature

Macromolecules
Sequence Display for 1FWM

Classification: TRANSFERASE

Total Structure Weight: 62208.75

Macromolecule Entities
Molecule Chains Length Organism Details
THYMIDYLATE SYNTHASE A, B 264 Escherichia coli EC#: 2.1.1.45 IUBMB
Mutation: M1X, R166Q
Gene Name(s): thyA b2827 JW2795
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CB3
Query on CB3

A, B 10-PROPARGYL-5,8-DIDEAZAFOLIC ACID
C24 H23 N5 O6
LTKHPMDRMUCUEB-IBGZPJMESA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
CB3 IC50: 19 - 5800 nM (99) BindingDB
Ki: 60 nM (99) BindingDB

N/A in BindingMoad
N/A in PDBbind
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CXM
Query on CXM
A, B L-PEPTIDE LINKING C6 H11 N O4 S MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.180
  • Space Group: P 63

Unit Cell:

Length (Å) Angle (°)
a = 127.06 α = 90.00
b = 127.06 β = 90.00
c = 67.67 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-09-23
  • Released Date: 2003-11-11
  • Deposition author(s): Sotelo-Mundo, R.R., Changchien, L., Maley, F., Montfort, W.R.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update