Reviewed,
UniProtKB/Swiss-Prot O81796 (IDH3_ARATH)
Last modified
November 25, 2008.
Version 47.
History...
Clusters with 100%,
90%,
50% identity |
Documents (2) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Isocitrate dehydrogenase [NAD] regulatory subunit 3, mitochondrial EC=1.1.1.41 Alternative name(s): Isocitric dehydrogenase 3 NAD(+)-specific ICDH 3 IDH-III | ||||||
| Gene names |
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| Organism | Arabidopsis thaliana (Mouse-ear cress) [Complete proteome] | ||||||
| Taxonomic identifier | 3702 [NCBI] | ||||||
| Taxonomic lineage | Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › rosids › eurosids II › Brassicales › Brassicaceae › Arabidopsis |
Protein attributes
| Sequence length | 368 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at protein level. |
General annotation (Comments)
| Function | Performs an essential role in the oxidative function of the citric acid cycle By similarity. |
| Catalytic activity | Isocitrate + NAD(+) = 2-oxoglutarate + CO(2) + NADH. |
| Cofactor | Binds 1 magnesium or manganese ion per subunit By similarity. |
| Subunit structure | Heteroligomer of catalytic and regulatory subunits. |
| Subcellular location | |
| Tissue specificity | Mainly expressed at a low level in pollen. |
| Sequence similarities | Belongs to the isocitrate and isopropylmalate dehydrogenases family. |
Ontologies
Keywords | |
|---|---|
| Biological process | Tricarboxylic acid cycle |
| Cellular component | Mitochondrion |
| Domain | Transit peptide |
| Ligand | Magnesium Manganese Metal-binding NAD |
| Molecular function | Oxidoreductase |
| Technical term | Complete proteome |
Gene Ontology (GO) | |
| Biological process | oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW tricarboxylic acid cycleInferred from electronic annotation. Source: InterPro |
| Cellular component | mitochondrion Inferred from electronic annotation. Source: InterPro |
| Molecular function | isocitrate dehydrogenase (NAD+) activity Inferred from electronic annotation. Source: InterPro magnesium ion bindingInferred from electronic annotation. Source: UniProtKB-KW manganese ion bindingInferred from electronic annotation. Source: UniProtKB-KW |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Transit peptide | 1 – 26 | 26 | Mitochondrion Potential | ||||||
| Chain | 27 – 368 | 342 | Isocitrate dehydrogenase [NAD] regulatory subunit 3, mitochondrial | PRO_0000271289 | |||||
Sites | |||||||||
| Metal binding | 235 | 1 | Magnesium or manganese By similarity | ||||||
| Binding site | 117 | 1 | Substrate By similarity | ||||||
| Binding site | 148 | 1 | Substrate By similarity | ||||||
| Binding site | 235 | 1 | Substrate By similarity | ||||||
| Site | 155 | 1 | Critical for catalysis By similarity | ||||||
| Site | 202 | 1 | Critical for catalysis By similarity | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana." Mayer K.F.X., Schueller C., Wambutt R., Murphy G., Volckaert G., Pohl T., Duesterhoeft A., Stiekema W., Entian K.-D., Terryn N., Harris B., Ansorge W., Brandt P., Grivell L.A., Rieger M., Weichselgartner M., de Simone V., Obermaier B. McCombie W.R.Nature 402:769-777(1999) [PubMed: 10617198] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: cv. Columbia. |
| [2] | "Empirical analysis of transcriptional activity in the Arabidopsis genome." Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M., Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G., Liu S.X., Lam B., Sakano H., Wu T., Yu G. Ecker J.R.Science 302:842-846(2003) [PubMed: 14593172] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Strain: cv. Columbia. |
| [3] | "Experimental analysis of the Arabidopsis mitochondrial proteome highlights signaling and regulatory components, provides assessment of targeting prediction programs, and indicates plant-specific mitochondrial proteins." Heazlewood J.L., Tonti-Filippini J.S., Gout A.M., Day D.A., Whelan J., Millar A.H. Plant Cell 16:241-256(2004) [PubMed: 14671022] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS], SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS]. |
| [4] | "Characterization of a mutation in the IDH-II subunit of the NAD(+)-dependent isocitrate dehydrogenase from Arabidopsis thaliana." Lin M., Behal R.H., Oliver D.J. Plant Sci. 166:983-988(2004) [Agricola: IND43633651] Cited for: GENE FAMILY. |
| [5] | "Expression analysis of Arabidopsis thaliana NAD-dependent isocitrate dehydrogenase genes shows the presence of a functional subunit that is mainly expressed in the pollen and absent from vegetative organs." Lemaitre T., Hodges M. Plant Cell Physiol. 47:634-643(2006) [PubMed: 16527867] [Abstract] Cited for: TISSUE SPECIFICITY. |
Cross-references
Sequence databases | |
|---|---|
| AL031135 Genomic DNA. Translation: CAA20035.1. AL161587 Genomic DNA. Translation: CAB80281.1. BT003922 mRNA. Translation: AAO41969.1. BT006081 mRNA. Translation: AAP04066.1. | |
| PIR | T04670. |
| RefSeq | NP_195290.1. |
| UniGene | At.31403 |
3D structure databases | |
| HSSP | HSSP built from PDB template 1HQS based on UniProtKB P39126. |
| ModBase | Search... |
Genome annotation databases | |
| GeneID | 829717. |
| GenomeReviews | Gene locus AT4G35650 in contig CT486007_GR. |
| KEGG | ath:AT4G35650. |
| NMPDR | fig|3702.1.peg.21650. |
Organism-specific databases | |
| GeneFarm | 4368. 439. |
| TAIR | At4g35650. |
Family and domain databases | |
| InterPro | IPR004434. IsoCit_DHase_NAD_mit. IPR001804. IsoCit_IM_DHase. [Graphical view] |
| Gene3D | G3DSA:3.40.718.10. IDH_IMDH. 1 hit. |
| PANTHER | PTHR11835. IDH_IMDH_dimeric. 1 hit. |
| Pfam | PF00180. Iso_dh. 1 hit. [Graphical view] |
| TIGRFAMs | TIGR00175. mito_nad_idh. 1 hit. |
| PROSITE | PS00470. IDH_IMDH. False negative. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | IDH3_ARATH | ||||||||
| Accession | Primary (citable) accession number: O81796 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | PPAP (Plant Proteome Annotation Project) | ||||||||
Relevant documents
| Arabidopsis thaliana Arabidopsis thaliana: entries and gene names |
| SIMILARITY comments Index of protein domains and families |

Clusters with


