_EC 1.8.3.1 Sulfite oxidase. 13 PDB entries  
EC 1.-.-.- Oxidoreductases. [8,653 PDB entries]
EC 1.8.-.- Acting on a sulfur group of donors. [334 PDB entries]
EC 1.8.3.- With oxygen as acceptor. [39 PDB entries]
EC 1.8.3.1 Sulfite oxidase. [13 PDB entries]    
1mj4

Reaction: Sulfite + O(2) + H(2)O = sulfate + H(2)O(2).
 


Sulfite
+
O(2)
+ H(2)O
=
sulfate
+
H(2)O(2)
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.

Cofactor(s): Heme; Mo cation.
 

Heme
Mo cation
Molecule diagrams generated from .mol files obtained from the KEGG ftp site.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are 13 PDB entries in enzyme class E.C.1.8.3.1

  PDB code Protein
1mj4
Crystal structure analysis of the cytochrome b5 domain of hu sulfite oxidase
Source: Homo sapiens. Human. Organism_taxid: 9606. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (80 residues) CATH domain: 3.10.120.10
Bound ligands:   Het Group SO4 corresponds to enzyme product sulfate
  Het Group HEM is 95.45% similar to enzyme cofactor Protoheme
1ogp
The crystal structure of plant sulfite oxidase provides insight into sulfite oxidation in plants and animals
Source: Arabidopsis thaliana. Mouse-ear cress. Organism_taxid: 3702. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B, C, D, E, F (388 residues) CATH domains: 3.90.420.10 2.60.40.650
1sox
Sulfite oxidase from chicken liver
Source: Gallus gallus. Chicken. Organism_taxid: 9031. Organ: liver. Organelle: mitochondrion. Cellular_location: mitochondrial intermembrane space
Chains: A, B (463 residues) CATH domains: 3.10.120.10 3.90.420.10 2.60.40.650
Bound ligands:   Het Group SO4 corresponds to enzyme product sulfate
  Het Group HEM is 95.45% similar to enzyme cofactor Protoheme
2a99
Crystal structure of recombinant chicken sulfite oxidase at state
Source: Gallus gallus. Chicken. Organism_taxid: 9031. Organ: liver. Organelle: mitochondrion. Cellular_location: mitochondrial intermembrane space. Gene: suox. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (372 residues) CATH domains: 3.90.420.10 2.60.40.650
2a9a
Crystal structure of recombinant chicken sulfite oxidase wit bound product, sulfate, at the active site
Source: Gallus gallus. Chicken. Organism_taxid: 9031. Organ: liver. Organelle: mitochondrion. Cellular_location: mitochondrial intermembrane space. Gene: suox. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (371 residues) CATH domains: 3.90.420.10 2.60.40.650
Bound ligand:   Het Group SO4 corresponds to enzyme product sulfate
2a9b
Crystal structure of r138q mutant of recombinant sulfite oxi resting state
Source: Gallus gallus. Chicken. Organism_taxid: 9031. Organ: liver. Organelle: mitochondrion. Cellular_location: mitochondrial intermembrane space. Gene: suox. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (372 residues) CATH domains: 3.90.420.10 2.60.40.650
2a9c
Crystal structure of r138q mutant of recombinant chicken sul oxidase with the bound product, sulfate, at the active site
Source: Gallus gallus. Chicken. Organism_taxid: 9031. Organ: liver. Organelle: mitochondrion. Cellular_location: mitochondrial intermembrane space. Gene: suox. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (359 residues) CATH domains: 3.90.420.10 2.60.40.650
Bound ligand:   Het Group SO4 corresponds to enzyme product sulfate
2a9d
Crystal structure of recombinant chicken sulfite oxidase wit residue 161
Source: Gallus gallus. Chicken. Organism_taxid: 9031. Organ: liver. Organelle: mitochondrion. Cellular_location: mitochondrial intermembrane space. Gene: suox. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (369 residues) CATH domains: 3.90.420.10 2.60.40.650
Bound ligand:   Het Group SO4 corresponds to enzyme product sulfate
3hbg
Structure of recombinant chicken liver sulfite oxidase mutan
Source: Gallus gallus. Organism_taxid: 9031. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (353 residues) CATH domains: 3.90.420.10 2.60.40.650
3hbp
The crystal structure of c185s mutant of recombinant sulfite with bound substrate, sulfite, at the active site
Source: Gallus gallus. Organism_taxid: 9031. Gene: sulfite oxidase. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (373 residues) CATH domains: 3.90.420.10 2.60.40.650
Bound ligand:   Het Group SO3 corresponds to enzyme reactant sulfite
3hbq
Structure of recombinant chicken liver sulfite oxidase mutan ala
Source: Gallus gallus. Organism_taxid: 9031. Gene: sulfite oxidase. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (373 residues) CATH domains: 3.90.420.10 2.60.40.650
3r18
Chicken sulfite oxidase double mutant with altered activity substrate affinity
Source: Gallus gallus. Bantam,chickens. Organism_taxid: 9031. Gene: sulfite oxidase, suox. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (373 residues) CATH domains: 3.90.420.10 2.60.40.650
3r19
Chicken sulfite oxidase triple mutant with altered activity substrate affinity
Source: Gallus gallus. Bantam,chickens. Organism_taxid: 9031. Gene: sulfite oxidase, suox. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (372 residues) CATH domains: 3.90.420.10 2.60.40.650