4ELH

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

Structural Biology Knowledgebase: 4ELH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.193

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4ELH

Classification: OXIDOREDUCTASE / OXIDOREDUCTASE INHIBITOR

Total Structure Weight: 162016.31

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

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
53I
Query on 53I

A, B, C, D, E, F, G, H (2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]- 2,3-dimethoxyphenyl}-1-[(1R)-1-(2-methylprop- 1-en-1-yl)phthalazin-2(1H)-yl]prop-2-en-1- one
(R,E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)- 2,3-dimethoxyphenyl)-1-(1-(2-methylprop-1- en-1-yl)phthalazin-2(1H)-yl)prop-2-en-1-one (Synonym)
C28 H30 N6 O3
LEKSMFBSZBQJBZ-JJNABOQBSA-N
Ligand Explorer
 
JSmol
53J
Query on 53J

D (2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]- 2,3-dimethoxyphenyl}-1-[(1S)-1-(2-methylprop- 1-en-1-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-(2-methylprop-1- en-1-yl)phthalazin-2(1H)-yl)prop-2-en-1-one (Synonym)
C28 H30 N6 O3
LEKSMFBSZBQJBZ-ZUTVHTERSA-N
Ligand Explorer
 
JSmol
CA
Query on CA

A, B, C, D, E, F, G, H CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
CL
Query on CL

A, B, C, D, E, F, G, H CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
JSmol
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
53I N/A in BindingDB
Ki: 8.2 nM  BindingMOAD
N/A in PDBbind
53J N/A in BindingDB
Ki: 8.2 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.193
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 68.35 α = 90.00
b = 136.03 β = 90.00
c = 168.36 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