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Human IDO2 Gene cDNA Clone (Codon Optimized, full-length ORF Clone)

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IDO2cDNA Clone Product Information
Gene Bank Ref.ID:
cDNA Size:1242
cDNA Description:ORF Clone of Homo sapiens indoleamine 2,3-dioxygenase 2 DNA.
Gene Synonym:INDOL1, IDO2
Species:Human
Vector:pGEM-T Vector
Restriction Site:
Tag Sequence:
Sequence Description:A number of silent mutations were introduced into the DNA sequence in order to increase its protein expression level in E. coli system. The translated amino acid sequence is identical with NP_919270.2.
Shipping Carrier:Each tube contains approximately 10 μg of lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at ambient temperature for three months.
pGEM-T Vector Information

The pGEM-T is 3kb in length, and contains the amplicin resistance gene, conferring selection of the plasmid in E. coli, and the ori site which is the bacterial origin of replication. The plasmid has multiple cloning sites as shown below. The coding sequence was inserted by TA cloning. Many E. coli strains are suitable for the propagation of this vector including JM109, DH5α and TOP10.

pGEM-T Simple Usage Suggestion:

The coding sequence can be easily obtained by digesting the vector with proper restriction enzyme(s). The coding sequence can also be amplified by PCR with M13 primers, or primer pair SP6 and T7.

Vector Sequence Download
Human IDO2 Gene cDNA Clone (Codon Optimized, full-length ORF Clone)  on other vectors
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Background

IDO2 belongs to the indoleamine 2,3-dioxygenase family. Indoleamine 2,3-dioxgyenase (IDO), is a cytosolic haem protein which, together with the hepatic enzyme tryptophan 2,3-dioxygenase, catalyzes the conversion of tryptophan and other indole derivatives to kynurenines. In addition to classic IDO (IDO1), a new variant, IDO2, has recently been described. IDO2 is expressed in liver, small intestine, spleen, placenta, thymus, lung, brain, kidney, and colon. IDO is widely distributed in human tissues, its physiological role is not fully understood but is of great interest. IDO can be up-regulated via cytokines such as interferon-gamma, and can thereby modulate the levels of tryptophan, which is vital for cell growth. In humans and mice, the IDO1 and IDO2 genes are present tandemly in a tail-to-head arrangment on chromosome 8. In lower vertebrates such as zebrafish and toads only a single IDO gene may be present that may be more IDO2-like in structure. This closer relationship to IDO2 suggests that IDO2 may actually be the ancestor of the better characterized IDO1 gene, and that IDO1 might have been generated by gene duplication of IDO2 before the origin of tetrapods in mammalian evolutionary history. IDO2 catalyzes the first and rate-limiting step in the kynurenine pathway of tryptophan catabolism.

References
  • Witkiewicz AK, et al. (2009) Genotyping and expression analysis of IDO2 in human pancreatic cancer: a novel, active target. J Am Coll Surg. 208 (5): 781-7.
  • Sorensen RB, et al. (2011) Spontaneous cytotoxic T-Cell reactivity against indoleamine 2,3-dioxygenase-2. Cancer Res. 71 (6): 2038-44.
  • Witkiewicz AK, et al. (2009) Genotyping and expression analysis of IDO2 in human pancreatic cancer: a novel, active target. J Am Coll Surg. 208 (5): 781-7.
  • Catalog:HG13614-G
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