4ELE

Structure-activity relationship guides enantiomeric preference among potent inhibitors of B. anthracis dihydrofolate reductase

Structural Biology Knowledgebase: 4ELE SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.253
  • R-Value Work: 0.197

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4ELE

Classification: OXIDOREDUCTASE / OXIDOREDUCTASE INHIBITOR

Total Structure Weight: 161421.64

Macromolecule Entities
Molecule Chains Length Organism Details
Dihydrofolate reductase A, B, C..., D, E, F, G, HA, B, C, D, E, F, G, H 166 Bacillus anthracis EC#: 1.5.1.3 IUBMB
Gene Name(s): dfrA dfrD GBAA_2237 AB163_12585 AB164_02910 AB165_04300 AB166_16715 AB167_04225 AB168_28915 AB169_10700 AB170_26990 AB171_05210 AB893_11110 ADK17_12095 ADK18_10920 ADT20_24640 ADT21_25245 BF27_5333

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
31I
Query on 31I

A, B, C, D, E, F, G, H (2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]- 2,3-dimethoxyphenyl}-1-[(1S)-1-(propan-2- yl)phthalazin-2(1H)-yl]prop-2-en-1-one
(S,E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)- 2,3-dimethoxyphenyl)-1-(1-isopropylphthalazin- 2(1H)-yl)prop-2-en-1-one (Synonym)
C27 H30 N6 O3
QGKBSLZXGYTSQX-GTCGAKFVSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, B, C, D, E, F, G, H CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A, B, C, D, E, F, G, H CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
31I N/A in BindingDB
Ki: 13.4 nM  BindingMOAD
Ki: 13.2 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.253
  • R-Value Work: 0.197
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 68.54 α = 90.00
b = 136.30 β = 90.00
c = 168.55 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-04-10
  • Released Date: 2013-02-13
  • Deposition author(s): Bourne, C.R., Barrow, W.W.

Revision History

No revisions since initial release