4EJ1

Binding of Nb113 camelid antibody fragment with the binary DHFR:folate complex

Structural Biology Knowledgebase: 4EJ1 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.186

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4EJ1

Classification: Oxidoreductase / Immune system

Total Structure Weight: 67122.43

Macromolecule Entities
Molecule Chains Length Organism Details
Dihydrofolate reductase A, B 159 Escherichia coli EC#: 1.5.1.3 IUBMB
Gene Name(s): folA tmrA b0048 JW0047
Nb113 camelid antibody fragment C, D 134 Lama glama

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

A, B FOLIC ACID
C19 H19 N7 O6
OVBPIULPVIDEAO-LBPRGKRZSA-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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.186
  • Space Group: C 1 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 100.74 α = 90.00
b = 77.06 β = 92.00
c = 92.78 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-04-06
  • Released Date: 2013-04-24
  • Deposition author(s): Oyen, D., Srinivasan, V.

Revision History

  • 2013-10-30
    Type: Biological assembly | Details: update biological assembly
  • 2013-09-04
    Type: Citation | Details: Citation update
  • 2013-08-14
    Type: Citation | Details: Citation update