HAMAP logo

HAMAP rule MF_03111

Send feedback

General rule information [?]

PURL https://purl.expasy.org/hamap/rule/MF_03111
Accession MF_03111
Dates 26-OCT-2012 (Created)
01-APR-2025 (Last updated, Version 8)
Name Coq4
Scope(s) Eukaryota
Template(s) O13525; Q9Y3A0; [ Recover all ]
Triggered by HAMAP; MF_03111 (Get profile general information and statistics)

Propagated annotation [?]

Identifier, protein and gene names [?]

Identifier COQ4
case <OC:Fungi> or <OC:Caenorhabditis>
Protein name RecName: Full=Ubiquinone biosynthesis protein , mitochondrial;
AltName: Full=Coenzyme Q biosynthesis protein 4;
AltName: Full=4-hydroxy-3-methoxy-5-polyprenylbenzoate decarboxylase;
                 EC=4.1.1.130;
else
Protein name RecName: Full=Ubiquinone biosynthesis protein COQ4 homolog, mitochondrial;
AltName: Full=Coenzyme Q biosynthesis protein 4 homolog;
AltName: Full=4-hydroxy-3-methoxy-5-polyprenylbenzoate decarboxylase;
                 EC=4.1.1.130;
end case
case <OC:Vertebrata> or <OC:Fungi> or <OC:Dictyostelium>
Gene name Name=COQ4;
else case <OC:Caenorhabditis>
Gene name Name=coq-4;
end case

Comments [?]

case <OC:Mammalia> or <OC:Schizosaccharomyces>
FUNCTIONLyase that catalyzes the C1-decarboxylation of 4-hydroxy-3- methoxy-5-(all-trans-decaprenyl)benzoic acid into 2-methoxy-6-(all- trans-decaprenyl)phenol during ubiquinone biosynthesis.
CATALYTIC ACTIVITY Reaction=4-hydroxy-3-methoxy-5-(all-trans-decaprenyl)benzoate + H(+) = 2-methoxy-6-(all-trans-decaprenyl)phenol + CO2; Xref=Rhea:RHEA:81275, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:50774, ChEBI:CHEBI:62796; EC=4.1.1.130;
else case <OC:Saccharomyces>
FUNCTIONLyase that catalyzes the C1-decarboxylation of 4-hydroxy-3- methoxy-5-(all-trans-hexaprenyl)benzoic acid into 2-methoxy-6-(all- trans-hexaprenyl)phenol during ubiquinone biosynthesis.
CATALYTIC ACTIVITY Reaction=4-hydroxy-3-methoxy-5-(all-trans-hexaprenyl)benzoate + H(+) = 2-methoxy-6-(all-trans-hexaprenyl)phenol + CO2; Xref=Rhea:RHEA:44768, ChEBI:CHEBI:1109, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:57916; EC=4.1.1.130;
else
FUNCTIONLyase that catalyzes the C1-decarboxylation of 4-hydroxy-3- methoxy-5-(all-trans-polyprenyl)benzoic acid into 2-methoxy-6-(all- trans-polyprenyl)phenol during ubiquinone biosynthesis.
CATALYTIC ACTIVITY Reaction=a 4-hydroxy-3-methoxy-5-(all-trans-polyprenyl)benzoate + H(+) = a 2-methoxy-6-(all-trans-polyprenyl)phenol + CO2; Xref=Rhea:RHEA:81179, Rhea:RHEA-COMP:9551, Rhea:RHEA-COMP:10931, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:62731, ChEBI:CHEBI:84443; EC=4.1.1.130;
end case
COFACTOR Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
PATHWAYCofactor biosynthesis; ubiquinone biosynthesis.
case <OC:Saccharomyces>
SUBUNITComponent of a multi-subunit COQ enzyme complex, composed of at least @gn(COQ3), @gn(COQ4), @gn(COQ5), @gn(COQ6), @gn(COQ7) and @gn(COQ9). Interacts with COQ3.
else case <OC:Vertebrata> or <OC:Fungi> and not <OC:Saccharomyces>
SUBUNITComponent of a multi-subunit COQ enzyme complex, composed of at least @gn(COQ3), @gn(COQ4), @gn(COQ5), @gn(COQ6), @gn(COQ7) and @gn(COQ9).
else
SUBUNITComponent of a multi-subunit COQ enzyme complex.
end case
SUBCELLULAR LOCATIONMitochondrion inner membrane; Peripheral membrane protein; Matrix side.
case not <AnyFeature:TransitM>
MISCELLANEOUSThis protein may be expected to contain an N-terminal transit peptide but none has been predicted.
end case
SIMILARITYBelongs to the COQ4 family.

Keywords [?]


Gene Ontology [?]

GO:0016831; Molecular function:carboxy-lyase activity
GO:0008270; Molecular function:zinc ion binding
GO:0031314; Cellular component:extrinsic component of mitochondrial inner membrane
GO:0006744; Biological process:ubiquinone biosynthetic process

Cross-references [?]

Pfam PF05019; Coq4; 1;
General TransitM; -; 0-1;

Features [?]

From: COQ4_HUMAN (Q9Y3A0)
Key From To Description Tag Condition FTGroup
BINDING 163 163 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
H
BINDING 164 164 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
D
BINDING 167 167 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
H
BINDING 179 179 /ligand="Zn(2+)"
/ligand_id="ChEBI:CHEBI:29105"
E

Additional information [?]

Size range 187-369 amino acids
Related rules None
Fusion Nter: None Cter: None



View rule in raw text format (no links)