› 3fu7

X-ray diffraction
1.67Å resolution

Melanocarpus albomyces laccase crystal soaked (4 sec) with 2,6-dimethoxyphenol

Released:
DOI: 10.2210/pdb3fu7/pdb
PDB entry 3fu7 coloured by chain, front view.
PDB entry 3fu7 coloured by chain, side view.
PDB entry 3fu7 coloured by chain, top view.
Source organism: Melanocarpus albomyces
Primary publication:
Structure-function studies of a Melanocarpus albomyces laccase suggest a pathway for oxidation of phenolic compounds.
Kallio JP, Auer S, Jänis J, Andberg M, Kruus K, Rouvinen J, Koivula A, Hakulinen N
J Mol Biol 392 895-909 (2009)
PMID: 19563811

Function and Biology Details

Reaction catalysed: 
4 benzenediol + O(2) = 4 benzosemiquinone + 2 H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-180695 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (5 distinct):
Laccase-1 Chain: A
Molecule details ›
Chain: A
Length: 559 amino acids
Theoretical weight: 61.86 KDa
Source organism: Melanocarpus albomyces
Expression system: Trichoderma reesei
UniProt:
  • Canonical: Q70KY3 (Residues: 51-609; Coverage: 93%)
Gene name: LAC1
Sequence domains:
Structure domains: Cupredoxins - blue copper proteins
Laccase-1 Chain: B
Molecule details ›
Chain: B
Length: 559 amino acids
Theoretical weight: 61.85 KDa
Source organism: Melanocarpus albomyces
Expression system: Trichoderma reesei
UniProt:
  • Canonical: Q70KY3 (Residues: 51-609; Coverage: 93%)
Gene name: LAC1
Sequence domains:
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, MAN
Carbohydrate polymer
Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer
Carbohydrate polymer : NEW Components: NAG, MAN
Carbohydrate polymer
8 bound ligands:
Ligand CU 8 x CU
Ligand CL 2 x CL
Ligand OXY 2 x OXY
Ligand NAG 5 x NAG
Ligand SO4 3 x SO4
Ligand 3DM 1 x 3DM
Ligand D2M 1 x D2M
Ligand KIA 1 x KIA
1 modified residue:
Ligand OHI 1 x OHI

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X12
Spacegroup: C2
Unit cell:
a: 174.12Å b: 62.1Å c: 124.63Å
α: 90° β: 96.36° γ: 90°
R-values:
R R work R free
0.19 0.189 0.22
Expression system: Trichoderma reesei

Quick links

Citations

12 review citations

Copper active sites in biology.
Solomon et al. (2014)
11 more

4 mentions without citation

Recent Theoretical Insights into the Oxidative Degradation of Biopolymers and Plastics by Metalloenzymes.
Rovaletti et al. (2023)
3 more