ISDA: 2J6X

Deposition Date 2006-10-05

Release Date 2006-10-23

Last Version Date 2023-12-13

Entry Detail

PDB ID:

2J6X

Keywords:

OXIDOREDUCTASE

Title:

The crystal structure of lactate oxidase

Biological Source:

Source Organism:

AEROCOCCUS VIRIDANS (Taxon ID: 1377)

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.10 Å

R-Value Free:

0.25

R-Value Work:

0.20

R-Value Observed:

0.20

Space Group:

P 21 21 21

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:LACTATE OXIDASE
Chain IDs:A, B, C, D, E, F, G, H
Chain Length:374
Number of Molecules:8
Biological Source:AEROCOCCUS VIRIDANS

UniProt ID:Q44467 Pfam ID:PF01070 EC:1.1.1.27

Ligand Molecules

FMN

Primary Citation

The 2.1 A Structure of Aerococcus Viridans L-Lactate Oxidase (Lox).

Leiros, I, Wang, E, Rasmussen, T, Oksanen, E, Repo, H, Petersen, S.B, Heikinheimo, P, Hough, E.Show

Acta Crystallogr.,Sect.F 62 1185 ? (2006)

PMID: 17142893 DOI: 10.1107/S1744309106044678

Abstact

The crystal structure of L-lactate oxidase (LOX) from Aerococcus viridans has been determined at 2.1 A resolution. LOX catalyzes the flavin mononucleotide (FMN) dependent oxidation of lactate to pyruvate and hydrogen peroxide. LOX belongs to the alpha-hydroxy-acid oxidase flavoenzyme family; members of which bind similar substrates and to some extent have conserved catalytic properties and structural motifs. LOX crystallized as two tightly packed tetramers in the asymmetric unit, each having fourfold symmetry. The present structure shows a conserved FMN coordination, but also reveals novel residues involved in substrate binding compared with other family members.

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Primary Citation of related structures