1E26

DESIGN, SYNTHESIS AND X-RAY CRYSTAL STRUCTURE OF A POTENT DUAL INHIBITOR OF THYMIDYLATE SYNTHASE AND DIHYDROFOLATE REDUCTASE AS AN ANTITUMOR AGENT.

Structural Biology Knowledgebase: 1E26 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.297
  • R-Value Work: 0.219

Literature

Macromolecules
Sequence Display for 1E26

Classification: OXIDOREDUCTASE

Total Structure Weight: 25087.58

Macromolecule Entities
Molecule Chains Length Organism Details
DIHYDROFOLATE REDUCTASE A 206 Pneumocystis carinii EC#: 1.5.1.3 IUBMB
Details: COMPLEXED WITH NADPH AND INHIBITOR
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE (Synonym)
C21 H28 N7 O17 P3
XJLXINKUBYWONI-NNYOXOHSSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GPB
Query on GPB

A N-[4-[2-(2-AMINO-4-METHYL-7H-PYRROLO[2,3- D]PYRIMIDIN-5-YL)-ETHYL]-BENZOYL]GLUTAMIC ACID
C21 H23 N5 O5
FICRNCFTTZHHPO-HNNXBMFYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.297
  • R-Value Work: 0.219
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 37.33 α = 90.00
b = 43.23 β = 94.59
c = 61.24 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-05-17
  • Released Date: 2001-05-17
  • Deposition author(s): Gangjee, A., Yu, J., Mcguire, J.J., Cody, V., Galitsky, N., Kisliuk, R.L., Queener, S.F.

Revision History

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