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Human Testatin Gene ORF cDNA clone in cloning vector

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Human CST9L cDNA Clone Product Information
NCBI RefSeq:BC029656
RefSeq ORF Size:444bp
cDNA Description:Full length Clone DNA of Homo sapiens cystatin 9-like.
Gene Synonym:bA218C14.1, CST9L
Species:Human
Vector:pGEM-T Vector
Plasmid:pGEM-CST9L
Restriction Site:
Tag Sequence:
Sequence Description:Identical with the Gene Bank Ref. ID sequence.
Sequencing primers:
Promoter:
Application:
Antibiotic in E.coli:
Antibiotic in mammalian cell:
Shipping_carrier:Each tube contains lyophilized plasmid.
Storage:The lyophilized plasmid can be stored at room 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
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Background

Testatin is a member of the Cystatin family. Cystatins comprise genes that all show expression patterns that are strikingly restricted to reproductive tissue. Cystatins are a family of cysteine protease inhibitors with homology to chicken cystatin. There are typically about 115 amino acids in this family. They are largely acidic, contain four conserved cysteine residues known to form two disulfide bonds, may be glycosylated and/or phosphorylated, with similarity to fetuins, kininogens, stefins, histidine-rich glycoproteins and cystatin-related proteins. Testatin shows homology to family 2 cystatins, a group of broadly expressed small secretory proteins that are inhibitors of cysteine proteases in vitro but whose in vivo functions are unclear. It is expressed in germ cells and somatic cells in reproductive tissues. Testatin is considered a strong candidate for involvement in early testis development. Testatin expression is maintained in the adult Sertoli cell, and it can also be found in a small population of germ cells.

References
  • Dickinson DP, et al. (1993) Genomic cloning, physical mapping, and expression of human type 2 cystatin genes. Crit Rev Oral Biol. 4(3-4):573-80.
  • Dickinson DP, et al. (1995) Direct mapping of seven genes encoding human type 2 cystatins to a single site located at 20p11.2. Genomics. 24(1):172-5.
  • Thiesse M, et al. (1994) The human type 2 cystatin gene family consists of eight to nine members, with at least seven genes clustered at a single locus on human chromosome 20. DNA Cell Biol. 13(2): 97-116.
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