1E7W

ONE ACTIVE SITE, TWO MODES OF REDUCTION CORRELATE THE MECHANISM OF LEISHMANIA PTERIDINE REDUCTASE WITH PTERIN METABOLISM AND ANTIFOLATE DRUG RESISTANCE IN TRPANOSOMES

Structural Biology Knowledgebase: 1E7W SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.244
  • R-Value Work: 0.196

Literature

Macromolecules
Sequence Display for 1E7W

Classification: OXIDOREDUCTASE

Total Structure Weight: 64032.04

Macromolecule Entities
Molecule Chains Length Organism Details
PTERIDINE REDUCTASE A, B 291 Leishmania major EC#: 1.5.1.33 IUBMB
Gene Name(s): PTR1 HMTXR L1063.01 LmjF23.0270 LmjF_23_0270
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

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

A, B METHOTREXATE
C20 H22 N8 O5
FBOZXECLQNJBKD-ZDUSSCGKSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
EDO
Query on EDO

A, B 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
MTX Ki: 39 - 180 nM (99) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.244
  • R-Value Work: 0.196
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 80.31 α = 90.00
b = 80.80 β = 90.00
c = 90.75 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-09-11
  • Released Date: 2001-09-06
  • Deposition author(s): Gourley, D.G., Hunter, W.N.

Revision History

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