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P93032

- IDH2_ARATH

UniProt

P93032 - IDH2_ARATH

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Protein
Isocitrate dehydrogenase [NAD] regulatory subunit 2, mitochondrial
Gene
IDH2, At2g17130, F6P23.14
Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at transcript leveli

Functioni

Performs an essential role in the oxidative function of the citric acid cycle.1 Publication

Catalytic activityi

Isocitrate + NAD+ = 2-oxoglutarate + CO2 + NADH.

Cofactori

Binds 1 magnesium or manganese ion per subunit By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei116 – 1161Substrate By similarity
Binding sitei147 – 1471Substrate By similarity
Sitei154 – 1541Critical for catalysis By similarity
Sitei201 – 2011Critical for catalysis By similarity
Metal bindingi234 – 2341Magnesium or manganese By similarity
Binding sitei234 – 2341Substrate By similarity

GO - Molecular functioni

  1. NAD binding Source: InterPro
  2. isocitrate dehydrogenase (NAD+) activity Source: UniProtKB-EC
  3. magnesium ion binding Source: InterPro

GO - Biological processi

  1. tricarboxylic acid cycle Source: TAIR
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Tricarboxylic acid cycle

Keywords - Ligandi

Magnesium, Manganese, Metal-binding, NAD

Enzyme and pathway databases

BioCyciARA:GQT-1494-MONOMER.
MetaCyc:AT2G17130-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Isocitrate dehydrogenase [NAD] regulatory subunit 2, mitochondrial (EC:1.1.1.41)
Alternative name(s):
IDH-II
Isocitric dehydrogenase 2
NAD(+)-specific ICDH 2
Gene namesi
Name:IDH2
Ordered Locus Names:At2g17130
ORF Names:F6P23.14
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
ProteomesiUP000006548: Chromosome 2

Organism-specific databases

TAIRiAT2G17130.

Subcellular locationi

Mitochondrion 1 Publication

GO - Cellular componenti

  1. mitochondrion Source: TAIR
Complete GO annotation...

Keywords - Cellular componenti

Mitochondrion

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transit peptidei1 – 2525Mitochondrion Reviewed prediction
Add
BLAST
Chaini26 – 367342Isocitrate dehydrogenase [NAD] regulatory subunit 2, mitochondrial
PRO_0000271288Add
BLAST

Proteomic databases

PaxDbiP93032.
PRIDEiP93032.

Expressioni

Tissue specificityi

Ubiquitous. Predominantly expressed in roots, stems and leaves.2 Publications

Gene expression databases

ArrayExpressiP93032.
GenevestigatoriP93032.

Interactioni

Subunit structurei

Heterooligomer of catalytic and regulatory subunits.

Protein-protein interaction databases

BioGridi1575. 1 interaction.
STRINGi3702.AT2G17130.1-P.

Structurei

3D structure databases

ProteinModelPortaliP93032.
SMRiP93032. Positions 40-366.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transit peptide

Phylogenomic databases

eggNOGiCOG0473.
HOGENOMiHOG000021113.
InParanoidiP93032.
KOiK00030.
OMAiPSIAYNE.
PhylomeDBiP93032.

Family and domain databases

Gene3Di3.40.718.10. 1 hit.
InterProiIPR001804. Isocitrate/isopropylmalate_DH.
IPR004434. Isocitrate_DH_NAD.
IPR024084. IsoPropMal-DH-like_dom.
[Graphical view]
PANTHERiPTHR11835. PTHR11835. 1 hit.
PfamiPF00180. Iso_dh. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00175. mito_nad_idh. 1 hit.

Sequences (2)i

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: P93032-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MSRQSFSLLK NLRSIASGSK IQTRSVTYMP RPGDGKPRPV TLIPGDGVGP    50
LVTNAVQQVM EAMHAPVYFE PFEVHGDMKS LPEGLLESIK KNKVCLKGGL 100
KTPVGGGVSS LNVNLRKELD LFASLVNCFN LPGLASRHEN VDIVVIRENT 150
EGEYAGLEHE VVPGVVESLK VITKFCSERI AKYAFEYAYL NNRKKVTAVH 200
KANIMKLADG LFLESCQEVA KKYPSIAYNE IIVDNCCMQL VARPEQFDVM 250
VTPNLYGNLV ANTAAGIAGG TGVMPGGNVG AEYAVFEQGA SAGNVGKDTT 300
EEQKNANPVA LLLSSAMMLR HLQFPSFADR LETAVKRVIA EGNCRTEDLG 350
GNSTTQEVVD AVIANLD 367
Length:367
Mass (Da):39,590
Last modified:January 9, 2007 - v2
Checksum:iB5BC1C422AF757F7
GO
Isoform 2 (identifier: P93032-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     171-174: Missing.

Note: Derived from EST data. May be due to a competing acceptor splice site. No experimental confirmation available.

Show »
Length:363
Mass (Da):39,149
Checksum:i1F691FD0BE2E7146
GO

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei171 – 1744Missing in isoform 2.
VSP_027467

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti6 – 61F → S in AAC49965. 1 Publication
Sequence conflicti18 – 181G → R in AAC49965. 1 Publication
Sequence conflicti271 – 2711T → S in AAC49965. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U81994 mRNA. Translation: AAC49965.1.
CP002685 Genomic DNA. Translation: AEC06588.1.
CP002685 Genomic DNA. Translation: AEC06589.1.
AK228337 mRNA. Translation: BAF00277.1.
PIRiD84548.
RefSeqiNP_179304.1. NM_127267.2. [P93032-1]
NP_849963.1. NM_179632.1. [P93032-2]
UniGeneiAt.12294.
At.48484.

Genome annotation databases

EnsemblPlantsiAT2G17130.1; AT2G17130.1; AT2G17130. [P93032-1]
GeneIDi816218.
KEGGiath:AT2G17130.

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
U81994 mRNA. Translation: AAC49965.1 .
CP002685 Genomic DNA. Translation: AEC06588.1 .
CP002685 Genomic DNA. Translation: AEC06589.1 .
AK228337 mRNA. Translation: BAF00277.1 .
PIRi D84548.
RefSeqi NP_179304.1. NM_127267.2. [P93032-1 ]
NP_849963.1. NM_179632.1. [P93032-2 ]
UniGenei At.12294.
At.48484.

3D structure databases

ProteinModelPortali P93032.
SMRi P93032. Positions 40-366.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

BioGridi 1575. 1 interaction.
STRINGi 3702.AT2G17130.1-P.

Proteomic databases

PaxDbi P93032.
PRIDEi P93032.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblPlantsi AT2G17130.1 ; AT2G17130.1 ; AT2G17130 . [P93032-1 ]
GeneIDi 816218.
KEGGi ath:AT2G17130.

Organism-specific databases

GeneFarmi 4366. 439.
TAIRi AT2G17130.

Phylogenomic databases

eggNOGi COG0473.
HOGENOMi HOG000021113.
InParanoidi P93032.
KOi K00030.
OMAi PSIAYNE.
PhylomeDBi P93032.

Enzyme and pathway databases

BioCyci ARA:GQT-1494-MONOMER.
MetaCyc:AT2G17130-MONOMER.

Gene expression databases

ArrayExpressi P93032.
Genevestigatori P93032.

Family and domain databases

Gene3Di 3.40.718.10. 1 hit.
InterProi IPR001804. Isocitrate/isopropylmalate_DH.
IPR004434. Isocitrate_DH_NAD.
IPR024084. IsoPropMal-DH-like_dom.
[Graphical view ]
PANTHERi PTHR11835. PTHR11835. 1 hit.
Pfami PF00180. Iso_dh. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR00175. mito_nad_idh. 1 hit.
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "NAD(+)-dependent isocitrate dehydrogenase from Arabidopsis thaliana. Characterization of two closely related subunits."
    Behal R.H., Oliver D.J.
    Plant Mol. Biol. 36:691-698(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: cv. Columbia.
  2. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: cv. Columbia.
  3. The Arabidopsis Information Resource (TAIR)
    Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases
    Cited for: GENOME REANNOTATION.
    Strain: cv. Columbia.
  4. "Large-scale analysis of RIKEN Arabidopsis full-length (RAFL) cDNAs."
    Totoki Y., Seki M., Ishida J., Nakajima M., Enju A., Kamiya A., Narusaka M., Shin-i T., Nakagawa M., Sakamoto N., Oishi K., Kohara Y., Kobayashi M., Toyoda A., Sakaki Y., Sakurai T., Iida K., Akiyama K.
    , Satou M., Toyoda T., Konagaya A., Carninci P., Kawai J., Hayashizaki Y., Shinozaki K.
    Submitted (JUL-2006) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Strain: cv. Columbia.
  5. "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] [Europe PMC] [Abstract]
    Cited for: SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS].
    Strain: cv. Landsberg erecta.
  6. "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] [Europe PMC]
    Cited for: GENE FAMILY, FUNCTION, TISSUE SPECIFICITY.
  7. "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] [Europe PMC] [Abstract]
    Cited for: TISSUE SPECIFICITY.

Entry informationi

Entry nameiIDH2_ARATH
AccessioniPrimary (citable) accession number: P93032
Secondary accession number(s): Q7XJT6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 9, 2007
Last sequence update: January 9, 2007
Last modified: May 14, 2014
This is version 98 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Arabidopsis thaliana
    Arabidopsis thaliana: entries and gene names
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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