1LY4

Analysis of quinazoline and PYRIDO[2,3D]PYRIMIDINE N9-C10 reversed bridge antifolates in complex with NADP+ and Pneumocystis carinii dihydrofolate reductase

Structural Biology Knowledgebase: 1LY4 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Work: 0.193

Literature

Macromolecules
Sequence Display for 1LY4

Classification: OXIDOREDUCTASE

Total Structure Weight: 25002.52

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
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)
COQ
Query on COQ

A 2,4-DIAMINO-6-[N-(3',5'-DIMETHOXYBENZYL)- N-METHYLAMINO]PYRIDO[2,3-D]PYRIMIDINE
C17 H20 N6 O2
XWCCXDBXMCTZPW-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
COQ IC50: 76 nM (100) BindingDB

IC50: 76 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Observed:
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 37.05 α = 90.00
b = 43.13 β = 94.60
c = 60.73 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-06-06
  • Released Date: 2002-08-28
  • Deposition author(s): Cody, V., Galitsky, N., Luft, J.R., Pangborn, W., Queener, S.F., Gangjee, A.

Revision History

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