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I5036

Sigma-Aldrich

Isocitrate Dehydrogenase 1 (NADP+) human

recombinant, expressed in E. coli, lyophilized powder, ≥80 units/mg protein

Sinónimos:

IDH1, Isocitrate Dehydrogenase Cytoplasmic

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About This Item

Número de CAS:
9028-48-2
Comisión internacional de enzimas:
1.1.1.42 (BRENDA, IUBMB)
UNSPSC Code:
12352204
NACRES:
NA.54

recombinant

expressed in E. coli

Quality Level

200

assay

≥90% (SDS-PAGE)

form

lyophilized powder

specific activity

≥80 units/mg protein

mol wt

46,658 Da

storage temp.

−20°C

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General description

Isocitrate dehydrogenase 1 (IDH1) gene is located on human chromosome 2q33. IDH1 is present in the cytoplasm and peroxisomes. It is expressed at high levels in the mammalian liver. IDH1 consists of a C-terminal tripeptide peroxisome, that targets the signal one sequence.

Biochem/physiol Actions

Isocitrate dehydrogenase 1 (IDH1) help in the oxidative carboxylation of isocitrate to α-ketoglutarate, that results in the formation of reduced nicotinamide adenine dinucleotide phosphate (NADPH). It participates in lipid metabolism and glucose sensing. Suppressing IDH1 in pancreatic islets affects the insulin secretion, induced by glucose and leads to increase in lactate production.

Unit Definition

One unit corresponds to the amount of enzyme which converts 1.0 μmol DL-isocitrate to α-ketoglutarate per minute at pH 7.4 and 37 °C (NADP as cofactor).

Physical form

Supplied as a lyophilized powder containing Tris-HCl pH 8.0, trehalose, ammonium sulfate and DTT

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Isocitrate dehydrogenase 1 codon 132 mutation is an important prognostic biomarker in gliomas
Sanson M, et al.
Journal of Clinical Oncology, 27(25), 4150-4154 (2009)
Mast cell tryptase and carboxypeptidase A expression in body fluid and gastrointestinal tract associated with drug-related fatal anaphylaxis
Guo X J, et al.
World Journal of Gastroenterology, 21(47), 13288-13288 (2015)
Theresa Schumacher et al.
Nature, 512(7514), 324-327 (2014-07-22)
Monoallelic point mutations of isocitrate dehydrogenase type 1 (IDH1) are an early and defining event in the development of a subgroup of gliomas and other types of tumour. They almost uniformly occur in the critical arginine residue (Arg 132) in the
Liran I Shlush et al.
Nature, 506(7488), 328-333 (2014-02-14)
In acute myeloid leukaemia (AML), the cell of origin, nature and biological consequences of initiating lesions, and order of subsequent mutations remain poorly understood, as AML is typically diagnosed without observation of a pre-leukaemic phase. Here, highly purified haematopoietic stem
Wolfgang Wick et al.
Neurology, 81(17), 1515-1522 (2013-09-27)
To explore whether the isocitrate dehydrogenase 1 (IDH1) or 1p/19q status determines the prognostic vs predictive role of O(6)-methylguanine-DNA methyltransferase (MGMT) promoter methylation in the Neuro-Oncology Working Group of the German Cancer Society (NOA)-04 trial anaplastic glioma biomarker cohort. Patients
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