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You are here:Home » Molecular Biology » MB-Telomerase » Telomerase, Human, Control Peptide (EST2, hEST2, TCS1, Telomerase Catalytic Subunit, Telomerase-associated protein 2, Telomere Reverse Transcriptase, TERT, TP2, TRT)

Telomerase, Human, Control Peptide (EST2, hEST2, TCS1, Telomerase Catalytic Subunit,
Telomerase-associated protein 2, Telomere Reverse Transcriptase, TERT, TP2, TRT)

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Specifications

A 16aa Peptide sequence mapping in the middle of human Est2 (1) was selected for antibody production. The peptide was coupled to KLH.
Catalog #T2399-15
The 3'ends of chromosomes are capped with telomere sequences (TTAGGG; 6-26 nucleotides in length) by ribonucleoprotein telomerase during DNA replication. Telomerase is an unusual RNA-dependent DNA polymerase that uses and RNA component to specify the addition of telomere. The telomeric RNA contains a sequence complementary to TTAGGG. In ciliated protozoa and yeast, telomere length is maintained by regulating the activity of telomerase. Many mammalian cells do not express telomerase resulting into shortening of telomere with each cell division, and ultimately causing the chromosomal instability, aging and cell death. Approx. 4.8 kb of telomeric DNA is lost with each cell division resulting into large number of chromosomal abnormalities. Most recently, introduction of telomerase into normal human cells has been shown to extend normal cell life by ~ 20 doubling.
Purification of telomerase from the ciliate also revealed two protein of 43 and 123kD. p123 is a homolog of yeast Est2 (Essential for Telomerase activity). Mammalian homologs of yeast Est2 (also known as TP2 for Telomerase associated Protein 2; hEST2 or telomerase catalytic subunit or telomerase reverse transcriptase, TERT) have also been cloned (human Est2, 1132 aa; mouse Est2 1122 aa; ~127kD). hEST2 was localized in the nucleus.
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
SourceHuman synthetic peptide
PurityHighly purified
Concentration1mg/ml
FormSupplied as a lyophilized powder from PBS, 0.05% sodium azide.
SpecificityPeptide showed 62% (10/16 aa) sequence homology with the mouse Est2
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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