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Reviewed, UniProtKB/Swiss-Prot Q9Z2K8 (IDHC_MICOH)

Last modified November 4, 2008. Version 45. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data | Customize display text xml rdf/xml gff fasta
Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents

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Names and origin

Protein namesRecommended name:
    Isocitrate dehydrogenase [NADP] cytoplasmic
      Short name=IDH
    EC=1.1.1.42
Alternative name(s):
    Cytosolic NADP-isocitrate dehydrogenase
    Oxalosuccinate decarboxylase
    NADP(+)-specific ICDH
    IDP
Gene names
Name: IDH1
Synonyms: IDP2
OrganismMicrotus ochrogaster (Prairie vole)
Taxonomic identifier79684 [NCBI]
Taxonomic lineageEukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Rodentia › Sciurognathi › Muroidea › Cricetidae › Arvicolinae › Microtus

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Protein attributes

Sequence length414 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is not processed.
Protein existenceInferred from homology.

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General annotation (Comments)

Catalytic activity

Isocitrate + NADP(+) = 2-oxoglutarate + CO(2) + NADPH.

Oxalosuccinate + NADP(+) = 2-oxoglutarate + CO(2) + NADPH.

Cofactor

Binds 1 magnesium or manganese ion per subunit By similarity.

Subunit structure

Homodimer By similarity.

Subcellular location

Cytoplasm.

Sequence similarities

Belongs to the isocitrate and isopropylmalate dehydrogenases family.

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Ontologies

Keywords

   Biological processGlyoxylate bypass
Tricarboxylic acid cycle
   Cellular componentCytoplasm
   LigandMagnesium
Manganese
Metal-binding
NADP
   Molecular functionOxidoreductase

Gene Ontology (GO)

   Biological processglyoxylate cycle

Inferred from electronic annotation. Source: UniProtKB-KW

oxidation reduction

Inferred from electronic annotation. Source: UniProtKB-KW

tricarboxylic acid cycle

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular componentcytoplasm

Inferred from electronic annotation. Source: UniProtKB-KW

   Molecular functionmagnesium ion binding

Inferred from electronic annotation. Source: UniProtKB-KW

manganese ion binding

Inferred from electronic annotation. Source: UniProtKB-KW

Complete GO annotation...

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Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 414414Isocitrate dehydrogenase [NADP] cytoplasmic
PRO_0000083577

Regions

Nucleotide binding75 – 773NADP By similarity
Nucleotide binding310 – 3156NADP By similarity
Region94 – 1007Substrate binding By similarity

Sites

Metal binding2521Magnesium or manganese By similarity
Metal binding2751Magnesium or manganese By similarity
Binding site771Substrate By similarity
Binding site821NADP By similarity
Binding site1091Substrate By similarity
Binding site1321Substrate By similarity
Binding site2601NADP By similarity
Binding site3281NADP; via amide nitrogen and carbonyl oxygen By similarity
Site1391Critical for catalysis By similarity
Site2121Critical for catalysis By similarity

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Sequences

Sequence LengthMass (Da)Tools
Q9Z2K8-1 [UniParc].

Last modified May 1, 1999. Version 1.
Checksum: D8ECB6F9D9B87331

FASTA41446,694
        10         20         30         40         50         60 
MSKKIHGGSV VEMQGDEMTR IIWELIKEKL ILPYVELDLH SYDLGIENRD ATNDQVTKDA 

        70         80         90        100        110        120 
AEAIKKYNVG VKCATITPDE KRVEEFKLKQ MWKSPNGTIR NILGGTVFRE AIICKNIPRL 

       130        140        150        160        170        180 
VTGWVKPIII GRHAYGDQYR ATDFVVPGPG KVEITYTPKD GSQKVTYLVH SFEEGGGVAM 

       190        200        210        220        230        240 
GMYNQDKSIE DFAHSSFQMA LSKGWPLYLS TKNTILKKYD GRFKDIFQEI YDKQYKSQFE 

       250        260        270        280        290        300 
AQKIWYEHRL IDDMVAQAMK SEGGFIWACK NYDGDVQSDS VAQGYGSLGM MTSVLICPDG 

       310        320        330        340        350        360 
KTVEAEAAHG TVTRHYRMHQ KGQETSTNPI ASIFAWSRGL AHRARLDNNT ELSFFAKALE 

       370        380        390        400        410 
EVCIETIEAG FMTKDLAACI KGLPNVQRSD YLNTFEFMDK LGENLKAKLA QAKL

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References

[1]"Cytosolic isocitrate dehydrogenase in humans, mice, and voles and phylogenetic analysis of the enzyme family."
Nekrutenko A., Hillis D.M., Patton J.C., Bradley R.D., Baker R.J.
Mol. Biol. Evol. 15:1674-1684(1998) [PubMed: 9866202] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Tissue: Liver.

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Cross-references

Sequence databases

AF048832 Genomic DNA. Translation: AAD02925.1.

3D structure databases

HSSPHSSP built from PDB template 1LWD based on UniProtKB P33198.
SMRQ9Z2K8. Positions 1-414.
ModBaseSearch...

Phylogenomic databases

HOVERGENQ9Z2K8.

Family and domain databases

InterProIPR004790. IsoCit_DHase_NADP-dep_euk.
IPR001804. IsoCit_IM_DHase.
[Graphical view]
Gene3DG3DSA:3.40.718.10. IDH_IMDH. 1 hit.
PANTHERPTHR11822. IDH_NADP_euk. 1 hit.
PfamPF00180. Iso_dh. 1 hit.
[Graphical view]
PIRSFPIRSF000108. IDH_NADP. 1 hit.
TIGRFAMsTIGR00127. nadp_idh_euk. 1 hit.
PROSITEPS00470. IDH_IMDH. 1 hit.
[Graphical view]
BLOCKSSearch...
ProtoNetSearch...

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Entry information

Entry nameIDHC_MICOH
AccessionPrimary (citable) accession number: Q9Z2K8
Entry history
Integrated into UniProtKB/Swiss-Prot: May 30, 2000
Last sequence update: May 1, 1999
Last modified: November 4, 2008
This is version 45 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation projectHPI (Human Proteome Initiative)

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Relevant documents

SIMILARITY comments

Index of protein domains and families

Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents