1IA1

Candida albicans dihydrofolate reductase complexed with dihydro-nicotinamide-adenine-dinucleotide phosphate (NADPH) and 5-(PHENYLSULFANYL)-2,4-QUINAZOLINEDIAMINE (GW997)

Structural Biology Knowledgebase: 1IA1 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Observed: 0.156

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1IA1

Classification: OXIDOREDUCTASE

Total Structure Weight: 46606.86

Macromolecule Entities
Molecule Chains Length Organism Details
DIHYDROFOLATE REDUCTASE A, B 192 Candida albicans EC#: 1.5.1.3 IUBMB
Gene Name(s): DFR1

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
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
TQ3
Query on TQ3

A, B 5-PHENYLSULFANYL-2,4-QUINAZOLINEDIAMINE
C14 H12 N4 S
BUFDQCGCADQQQY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

A, B PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
TQ3 IC50: 34 nM (98) BindingDB

IC50: 34 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Observed: 0.156
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 76.91 α = 90.00
b = 67.28 β = 93.07
c = 38.49 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-03-22
  • Released Date: 2001-04-11
  • Deposition author(s): Whitlow, M., Howard, A.J., Kuyper, L.F.

Revision History

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