4ELB

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

Structural Biology Knowledgebase: 4ELB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.309
  • R-Value Work: 0.243

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4ELB

Classification: OXIDOREDUCTASE / OXIDOREDUCTASE INHIBITOR

Total Structure Weight: 162735.03

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 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
34R
Query on 34R

C, D, E, F (2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]- 2,3-dimethoxyphenyl}-1-[(1R)-1-phenylphthalazin- 2(1H)-yl]prop-2-en-1-one
(R,E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)- 2,3-dimethoxyphenyl)-1-(1-phenylphthalazin- 2(1H)-yl)prop-2-en-1-one (Synonym)
C30 H28 N6 O3
NFQBNKYRVDDBSW-DBQZHCBRSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
34S
Query on 34S

A, B, E, F, G, H (2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]- 2,3-dimethoxyphenyl}-1-[(1S)-1-phenylphthalazin- 2(1H)-yl]prop-2-en-1-one
(S,E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)- 2,3-dimethoxyphenyl)-1-(1-phenylphthalazin- 2(1H)-yl)prop-2-en-1-one (Synonym)
C30 H28 N6 O3
NFQBNKYRVDDBSW-QSRYBZNWSA-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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.309
  • R-Value Work: 0.243
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 67.87 α = 90.00
b = 135.44 β = 90.00
c = 168.19 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