› 1sch

X-ray diffraction
2.56Å resolution

PEANUT PEROXIDASE

Released:
DOI: 10.2210/pdb1sch/pdb
PDB entry 1sch coloured by chain, front view.
PDB entry 1sch coloured by chain, side view.
PDB entry 1sch coloured by chain, top view.
Source organism: Arachis hypogaea
Primary publication:
The crystal structure of peanut peroxidase.
Schuller DJ, Ban N, Huystee RB, McPherson A, Poulos TL
Structure 4 311-21 (1996)
PMID: 8805539

Function and Biology Details

Reaction catalysed: 
2 phenolic donor + H(2)O(2) = 2 phenoxyl radical of the donor + 2 H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149532 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cationic peroxidase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 294 amino acids
Theoretical weight: 31.21 KDa
Source organism: Arachis hypogaea
UniProt:
  • Canonical: P22195 (Residues: 23-316; Coverage: 100%)
Gene name: PNC1
Sequence domains: Peroxidase
Structure domains:

Ligands and Environments


Cofactor: Ligand HEM 2 x HEM
2 bound ligands:
Ligand CA 4 x CA
Ligand NAG 1 x NAG
1 modified residue:
Ligand PCA 2 x PCA

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 48.1Å b: 97.2Å c: 146.2Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.199 0.199 0.262

Quick links

Citations

18 review citations

A large family of class III plant peroxidases.
Hiraga et al. (2001)
17 more

5 mentions without citation

Prevention of Enzymatic Browning by Natural Extracts and Genome-Editing: A Review on Recent Progress.
Hamdan et al. (2022)
4 more