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General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.
Gene namei
Official gene symbol, which is typically a short form of the gene name, according to HGNC.
Assigned HPA protein class(es) for the encoded protein(s).
Cancer-related genes Citric acid cycle related proteins Disease related genes Enzymes FDA approved drug targets Human disease related genes Metabolic proteins Plasma proteins
Predicted locationi
All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.
Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.
Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).
The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.
Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.
Chromosome
2
Cytoband
q34
Chromosome location (bp)
208236229 - 208266074
Number of transcriptsi
Number of protein-coding transcripts from the gene as defined by Ensembl.
Useful information about the protein provided by UniProt.
Catalyzes the NADP(+)-dependent oxidative decarboxylation of isocitrate (D-threo-isocitrate) to 2-ketoglutarate (2-oxoglutarate), which is required by other enzymes such as the phytanoyl-CoA dioxygenase 1,2. Plays a critical role in the generation of NADPH, an important cofactor in many biosynthesis pathways 3. May act as a corneal epithelial crystallin and may be involved in maintaining corneal epithelial transparency (By similarity)....show less
Molecular function (UniProt)i
Keywords assigned by UniProt to proteins due to their particular molecular function.
Oxidoreductase
Biological process (UniProt)i
Keywords assigned by UniProt to proteins because they are involved in a particular biological process.
Glyoxylate bypass, Tricarboxylic acid cycle
Ligand (UniProt)i
Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.
Magnesium, Manganese, Metal-binding, NADP
Gene summary (Entrez)i
Useful information about the gene from Entrez
Isocitrate dehydrogenases catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate. These enzymes belong to two distinct subclasses, one of which utilizes NAD(+) as the electron acceptor and the other NADP(+). Five isocitrate dehydrogenases have been reported: three NAD(+)-dependent isocitrate dehydrogenases, which localize to the mitochondrial matrix, and two NADP(+)-dependent isocitrate dehydrogenases, one of which is mitochondrial and the other predominantly cytosolic. Each NADP(+)-dependent isozyme is a homodimer. The protein encoded by this gene is the NADP(+)-dependent isocitrate dehydrogenase found in the cytoplasm and peroxisomes. It contains the PTS-1 peroxisomal targeting signal sequence. The presence of this enzyme in peroxisomes suggests roles in the regeneration of NADPH for intraperoxisomal reductions, such as the conversion of 2, 4-dienoyl-CoAs to 3-enoyl-CoAs, as well as in peroxisomal reactions that consume 2-oxoglutarate, namely the alpha-hydroxylation of phytanic acid. The cytoplasmic enzyme serves a significant role in cytoplasmic NADPH production. Alternatively spliced transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Sep 2013]...show less
PROTEIN INFORMATIONi
The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.
The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.
The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.
The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Enzymes ENZYME proteins Oxidoreductases Metabolic proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Citric acid cycle related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Missense Mutations Disease related genes FDA approved drug targets Small molecule drugs Human disease related genes Cancers Cancers of eye, brain, and central nervous system Cancers of haematopoietic and lymphoid tissues Cardiovascular diseases Hematologic diseases Mapped to neXtProt neXtProt - Evidence at protein level Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
Metabolic proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Citric acid cycle related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Missense Mutations Human disease related genes Cancers Cancers of eye, brain, and central nervous system Cancers of haematopoietic and lymphoid tissues Cardiovascular diseases Hematologic diseases Protein evidence (Ezkurdia et al 2014)
Enzymes ENZYME proteins Oxidoreductases Metabolic proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Citric acid cycle related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Missense Mutations Disease related genes FDA approved drug targets Small molecule drugs Human disease related genes Cancers Cancers of eye, brain, and central nervous system Cancers of haematopoietic and lymphoid tissues Cardiovascular diseases Hematologic diseases Mapped to neXtProt neXtProt - Evidence at protein level Protein evidence (Ezkurdia et al 2014)
Metabolic proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Citric acid cycle related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Missense Mutations Human disease related genes Cancers Cancers of eye, brain, and central nervous system Cancers of haematopoietic and lymphoid tissues Cardiovascular diseases Hematologic diseases Protein evidence (Ezkurdia et al 2014)
Enzymes ENZYME proteins Oxidoreductases Metabolic proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Citric acid cycle related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Missense Mutations Disease related genes FDA approved drug targets Small molecule drugs Human disease related genes Cancers Cancers of eye, brain, and central nervous system Cancers of haematopoietic and lymphoid tissues Cardiovascular diseases Hematologic diseases Mapped to neXtProt neXtProt - Evidence at protein level Protein evidence (Ezkurdia et al 2014)
Metabolic proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Citric acid cycle related proteins Cancer-related genes Mutated cancer genes Mutational cancer driver genes COSMIC somatic mutations in cancer genes COSMIC Somatic Mutations COSMIC Missense Mutations Human disease related genes Cancers Cancers of eye, brain, and central nervous system Cancers of haematopoietic and lymphoid tissues Cardiovascular diseases Hematologic diseases Protein evidence (Ezkurdia et al 2014)
The Human Protein Atlas project is funded
