5i82

X-ray diffraction
2.35Å resolution

First Crystal Structure of E.coli Based Recombinant Diphtheria Toxin Mutant CRM197

Released:
Model geometry
Fit model/data

Function and Biology Details

Reaction catalysed:
NAD(+) + diphthamide-[translation elongation factor 2] = nicotinamide + N-(ADP-D-ribosyl)diphthamide-[translation elongation factor 2]
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-180056 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Diphtheria toxin Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 535 amino acids
Theoretical weight: 58.48 KDa
Source organism: Corynebacterium diphtheriae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q6NK15 (Residues: 26-560; Coverage: 100%)
Gene names: DIP0222, tox
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: APS BEAMLINE 21-ID-F
Spacegroup: P1
Unit cell:
a: 69.214Å b: 69.167Å c: 127.882Å
α: 90.09° β: 90.01° γ: 82.02°
R-values:
R R work R free
0.21 0.207 0.25
Expression system: Escherichia coli BL21(DE3)