› 3fdg

X-ray diffraction
1.8Å resolution

The crystal structure of the dipeptidase AC, Metallo peptidase. MEROPS family M19

Released:
DOI: 10.2210/pdb3fdg/pdb
PDB entry 3fdg coloured by chain, front view.
PDB entry 3fdg coloured by chain, side view.
PDB entry 3fdg coloured by chain, top view.
Source organism: Cereibacter sphaeroides 2.4.1
Entry authors: Zhang R, Hatzos C, Freeman L, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Reaction catalysed: 
Hydrolysis of dipeptides.
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-174595 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dipeptidase AC Chains: A, B
Molecule details ›
Chains: A, B
Length: 355 amino acids
Theoretical weight: 39.04 KDa
Source organism: Cereibacter sphaeroides 2.4.1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q3IZQ3 (Residues: 1-354; Coverage: 100%)
Gene name: RSP_0802
Sequence domains: Membrane dipeptidase (Peptidase family M19)
Structure domains: Metal-dependent hydrolases

Ligands and Environments

1 bound ligand:
Ligand MG 4 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P1
Unit cell:
a: 46.246Å b: 50.683Å c: 81.594Å
α: 82.42° β: 73.61° γ: 68.18°
R-values:
R R work R free
0.178 0.175 0.223
Expression system: Escherichia coli

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