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Human ODC protein (active)

Human ODC protein (active). GTX00239-pro
Human ODC protein (active). GTX00239-pro
Human ODC protein (active). GTX00239-pro

Cat No. GTX00239-pro


Functional Assay


10 μg ($299)


Application Note

Ornithine decarboxylase (ODC) is an enzyme can catalyze the decarboxylation of ornithine (a product of the urea cycle) to form putrescine. The ornithine decarboxylation reaction catalyzed by ornithine decarboxylase is the first and committed step in the synthesis of polyamines, particularly putrescine, spermidine and spermine. Polyamines are important for stabilizing DNA structure, the DNA double strand-break repair pathway and as antioxidants. Therefore, ornithine decarboxylase is an essential enzyme for cell growth, producing the polyamines necessary to stabilize newly synthesized DNA. Lack of ODC causes cell apoptosis in embryonic mice, induced by DNA damage. Besides, Thymidine Kinase 1, Soluble (TK1) has been identified as an interactor of ODC, thus a binding ELISA assay was conducted to detect the interaction of recombinant human ODC and recombinant human TK1. Briefly, ODC were diluted serially in PBS with 0.01% BSA (pH 7.4). Duplicate samples of 100 μl were then transferred to TK1-coated microtiter wells and incubated for 2h at 37ºC. Wells were washed with PBST and incubated for 1h with anti-ODC pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody, wells were aspirated and washed 3 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37ºC. Finally, add 50 μl stop solution to the wells and read at 450nm immediately. The binding activity of ODC and TK1 was in a dose dependent manner.

Observed MW

28 kDa.



Lyophilized powder


Lyophilized from 20 mM Tris (pH 8.0) with 150 mM NaCl, 1 mM EDTA, 1 mM DTT, 0.01% SKL, 5% Trehalose, Proclin300. Reconstitute with 20 mM Tris and 150 mM NaCl (pH 8.0) to a concentration of 0.1-1.0 mg/mL. Do not vortex.


For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, store at -20ºC or below. After reconstitution, keep as concentrated solution.Avoid freeze-thaw cycles.


N-terminal His-Tag; Asp15~Leu259 (NP_001274118.1)

Expression System

E. coli


> 90%


< 1 EU/μg




For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.



ornithine decarboxylase 1 , ODC


This gene encodes the rate-limiting enzyme of the polyamine biosynthesis pathway which catalyzes ornithine to putrescine. The activity level for the enzyme varies in response to growth-promoting stimuli and exhibits a high turnover rate in comparison to other mammalian proteins. Originally localized to both chromosomes 2 and 7, the gene encoding this enzyme has been determined to be located on 2p25, with a pseudogene located on 7q31-qter. Multiple alternatively spliced transcript variants encoding distinct isoforms have been identified. [provided by RefSeq, Dec 2013]


Research Area


Human ODC protein (active). GTX00239-pro

GTX00239-pro Functional Assay Image

Functional ELISA analysis of GTX00239-pro Human ODC protein (active) which can bind immobilized TK1 protein.

Human ODC protein (active). GTX00239-pro

GTX00239-pro Image

SDS-PAGE analysis of GTX00239-pro Human ODC protein (active).

Human ODC protein (active). GTX00239-pro

GTX00239-pro Image

WB analysis of GTX00239-pro Human ODC protein (active).


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Package List Price ($)
$ 299