1KLK

CRYSTAL STRUCTURE OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE TERNARY COMPLEX WITH PT653 AND NADPH

Structural Biology Knowledgebase: 1KLK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.289
  • R-Value Work: 0.196

Literature

Macromolecules
Sequence Display for 1KLK

Classification: OXIDOREDUCTASE

Total Structure Weight: 25031.56

Macromolecule Entities
Molecule Chains Length Organism Details
Dihydrofolate reductase A 206 Pneumocystis carinii EC#: 1.5.1.3 IUBMB
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
C21 H30 N7 O17 P3
ACFIXJIJDZMPPO-NNYOXOHSSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PMD
Query on PMD

A [N-(2,4-DIAMINOPTERIDIN-6-YL)-METHYL]-DIBENZ[B,F]AZEPINE
C21 H17 N7
NXCCIJQEAKMFGW-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
PMD N/A in BindingDB
IC50: 210 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.289
  • R-Value Work: 0.196
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 36.84 α = 90.00
b = 43.14 β = 95.03
c = 59.32 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-12-12
  • Released Date: 2002-12-12
  • Deposition author(s): Cody, V., Galitsky, N., Luft, J.R., Pangborn, W., Rosowsky, A., Queener, S.F.

Revision History

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