Q0H8X4 (COX3_USTMA) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 54.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Cytochrome c oxidase subunit 3 EC=1.9.3.1 Alternative name(s): Cytochrome c oxidase polypeptide III | ||
| Gene names |
| ||
| Encoded on | Mitochondrion | ||
| Organism | Ustilago maydis (strain 521 / FGSC 9021) (Corn smut fungus) [Reference proteome] | ||
| Taxonomic identifier | 237631 [NCBI] | ||
| Taxonomic lineage | Eukaryota › Fungi › Dikarya › Basidiomycota › Ustilaginomycotina › Ustilaginomycetes › Ustilaginales › Ustilaginaceae › Ustilago › ![]() |
Protein attributes
| Sequence length | 275 AA. |
| Sequence status | Complete. |
| Protein existence | Inferred from homology |
General annotation (Comments)
| Function | Subunits I, II and III form the functional core of the enzyme complex. |
| Catalytic activity | 4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O. |
| Subcellular location | Mitochondrion inner membrane; Multi-pass membrane protein By similarity. |
| Sequence similarities | Belongs to the cytochrome c oxidase subunit 3 family. |
Ontologies
| Keywords | |
|---|---|
| Cellular component | Membrane Mitochondrion Mitochondrion inner membrane |
| Domain | Transmembrane Transmembrane helix |
| Molecular function | Oxidoreductase |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | aerobic electron transport chain Inferred from electronic annotation. Source: InterPro |
| Cellular_component | integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW mitochondrial inner membraneInferred from electronic annotation. Source: UniProtKB-SubCell |
| Molecular_function | cytochrome-c oxidase activity Inferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 275 | 275 | Cytochrome c oxidase subunit 3 | PRO_0000271143 | |||||
Regions | |||||||||
| Transmembrane | 22 – 42 | 21 | Helical; Potential | ||||||
| Transmembrane | 52 – 72 | 21 | Helical; Potential | ||||||
| Transmembrane | 96 – 116 | 21 | Helical; Potential | ||||||
| Transmembrane | 132 – 152 | 21 | Helical; Potential | ||||||
| Transmembrane | 173 – 193 | 21 | Helical; Potential | ||||||
| Transmembrane | 211 – 231 | 21 | Helical; Potential | ||||||
| Transmembrane | 253 – 273 | 21 | Helical; Potential | ||||||
Sequences
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References
| [1] | "Annotation of mitochondrial genome of Ustilago maydis and comparative analysis of basidiomycete mtDNAs." Kennell J.C., Boehmer C. Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 521 / FGSC 9021. |
| [2] | "Insights from the genome of the biotrophic fungal plant pathogen Ustilago maydis." Kaemper J., Kahmann R., Boelker M., Ma L.-J., Brefort T., Saville B.J., Banuett F., Kronstad J.W., Gold S.E., Mueller O., Perlin M.H., Woesten H.A.B., de Vries R., Ruiz-Herrera J., Reynaga-Pena C.G., Snetselaar K., McCann M., Perez-Martin J. Birren B.W.Nature 444:97-101(2006) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 521 / FGSC 9021. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | DQ157700 Genomic DNA. Translation: AAZ67014.1. AACP01000277 Genomic DNA. No translation available. |
| RefSeq | YP_762698.1. NC_008368.1. |
3D structure databases | |
| ProteinModelPortal | Q0H8X4. |
| SMR | Q0H8X4. Positions 11-275. |
| ModBase | Search... |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| GeneID | 4308279. |
| KEGG | uma:UsmafMp11. |
Phylogenomic databases | |
| eggNOG | COG1845. |
| KO | K02262. |
| OrthoDB | EOG4578GM. |
Family and domain databases | |
| Gene3D | 1.20.120.80. 1 hit. |
| InterPro | IPR024791. Cyt_c/ubiquinol_Oxase_su3. IPR000298. Cyt_c_oxidase_su3. IPR013833. Cyt_c_oxidase_su3_a-hlx. [Graphical view] |
| PANTHER | PTHR11403. PTHR11403. 1 hit. |
| Pfam | PF00510. COX3. 1 hit. [Graphical view] |
| SUPFAM | SSF81452. CytC_oxdse_III. 1 hit. |
| PROSITE | PS50253. COX3. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | COX3_USTMA | ||||||||
| Accession | Primary (citable) accession number: Q0H8X4 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Fungal Protein Annotation Program | ||||||||
Relevant documents
| SIMILARITY comments Index of protein domains and families |

Clusters with
