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I1782

Sigma-Aldrich

Inosine Monophosphate Dehydrogenase Type II human

recombinant, expressed in E. coli

Synonym(s):
IMP:NAD oxidoreductase, IMPDH II
Enzyme Commission number:
MDL number:
NACRES:
NA.54

recombinant

expressed in E. coli

Quality Level

form

solution

specific activity

≥0.05 units/mg protein

mol wt

~55 kDa

packaging

vial of ≥0.002 unit

UniProt accession no.

relevant disease(s)

cancer

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... IMPDH2(3615)

General description

Inosine Monophosphate Dehydrogenase Type II (IMPDH2) is a ubiquitously expressed dominant isoform during developmental stages. IMPDH2 gene is mapped to human chromosome 3p21.31.

Application

Inosine Monophosphate Dehydrogenase Type II human has been used to test the inhibitory effect on vacor adenine dinucleotide (VAD) on its dehydrogenase activity.

Biochem/physiol Actions

Inosine Monophosphate Dehydrogenase Type II (IMPDH2) binds to adenosine triphosphate (ATP) and guanosine triphosphate (GTP). It catalyzes the formation of xanthosine monophosphate from inosine monophosphate in the presence of nicotinamide adenine dinucleotide (NAD). IMPDH2 elevated levels in tumors are correlated to its rate-limiting activity in guanosine monophosphate (GMP) synthesis. High levels of IMPDH2 is implicated in glioblastoma (GBM). It is regarded as a potential therapeutic target against tumors, antiviral, and immunosuppression-related pathologies.
Type II is the predominant IMPDH isoform and is specifically linked to a wide range of cancers and lymphocyte proliferation.

Unit Definition

One unit will produce 1.0 μ mole of XMP from IMP with corresponding reduction of β-NAD per minute at pH 8.0 at 25 °C.

Physical form

Solution in 20 mM Tris-HCl, pH 8.0, containing 0.5 mM EDTA and 1 mM DTT.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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