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POT1

protection of telomeres 1

Component of the telomerase ribonucleoprotein (RNP) complex that is essential for the replication of chromosome termini. Is a component of the double-stranded telomeric DNA-binding TRF1 complex which is involved in the regulation of telomere length by cis-inhibition of telomerase. Also acts as a single-stranded telomeric DNA-binding protein and thus may act as a downstream effector of the TRF1 complex and may transduce information about telomere maintenance and/or length to the telomere terminus. Component of the shelterin complex (telosome) that is involved in the regulation of telomere length and protection. Shelterin associates with arrays of double-stranded TTAGGG repeats added by telomerase and protects chromosome ends; without its protective activity, telomeres are no longer hidden from the DNA damage surveillance and chromosome ends are inappropriately processed by DNA repair pathways. Binds to two or more telomeric single-stranded 5'-TTAGGG-3' repeats (G-strand) and with high specificity to a minimal telomeric single-stranded 5'-TAGGGTTAG-3' sequence. Binds telomeric single-stranded sequences internally or at proximity of a 3'-end. Its activity is TERT dependent but it does not increase TERT activity by itself. In contrast, the ACD-POT1 heterodimer enhances telomere elongation by increasing telomerase processivity.

Gene Name: protection of telomeres 1
Synonyms: POT1, HPOT1
Target Sequences: NM_015450 NP_056265.2 Q9NUX5

Publications (3)

1
Telomere maintenance through spatial control of telomeric proteins. Chen LY, Liu D, Songyang Z. Molecular and cellular biology. 2007 27:5898-909. [PubMed:17562870] [PMC:PMC1952115]
2
Functional diversity of human protection of telomeres 1 isoforms in telomere protection and cellular senescence. Yang Q, Zhang R, Horikawa I, Fujita K, Afshar Y, Kokko A, Laiho P, Aaltonen LA, Harris CC. Cancer research. 2007 67:11677-86. [PubMed:18089797]
3
Eroded human telomeres are more prone to remain uncapped and to trigger a G2 checkpoint response. Jullien L, Mestre M, Roux P, Gire V. Nucleic acids research. 2013 41:900-11. (WB; Human) [PubMed:23193277] [PMC:PMC3553962]

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POT1 (36)
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POT1 Antibody - POT1 antibody Western blot of THP-1 cell lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (aa251-300) Antibody
Human
WB
Unconjugated
100 µl/$424
POT1 Antibody - POT1 antibody Western blot of THP-1 cell lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (aa251-300) (HRP) Antibody
Mouse, Guinea pig, Bovine, Human, Chimpanzee, Orangutan, Gibbon
WB
HRP Conjugated
100 µl/$469
POT1 Antibody - POT1 antibody Western blot of THP-1 cell lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (aa251-300) (Biotin) Antibody
Mouse, Guinea pig, Bovine, Human, Chimpanzee, Orangutan, Gibbon
WB
Biotin Conjugated
100 µl/$469
POT1 Antibody - POT1 antibody Western blot of THP-1 cell lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (aa251-300) (FITC) Antibody
Mouse, Guinea pig, Bovine, Human, Chimpanzee, Orangutan, Gibbon
WB
FITC Conjugated
100 µl/$469
POT1 Antibody - Detection of POT1 in HeLa nuclear extracts (25 ug) using POT1  Antibody (1:500). ECL detection 1 min.  This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (aa200-300) Antibody
Human
WB
Unconjugated
0.1 ml/$386
POT1 Antibody - Detection of POT1 in HeLa nuclear extracts (25 ug) using POT1  Antibody (1:500). ECL detection 1 min.  This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (Internal) (Biotin) Antibody
Human
WB
Biotin Conjugated
0.1 ml/$416
POT1 Antibody - Detection of POT1 in HeLa nuclear extracts (25 ug) using POT1  Antibody (1:500). ECL detection 1 min.  This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (Internal) (DY650) Antibody
Human
WB
DY650 Conjugated
0.1 ml/$416
POT1 Antibody - Detection of POT1 in HeLa nuclear extracts (25 ug) using POT1  Antibody (1:500). ECL detection 1 min.  This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (Internal) (DY488) Antibody
Human
WB
DY488 Conjugated
0.1 ml/$416
POT1 Antibody - Detection of POT1 in HeLa nuclear extracts (25 ug) using POT1  Antibody (1:500). ECL detection 1 min.  This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (Internal) (DY550) Antibody
Human
WB
DY550 Conjugated
0.1 ml/$416
POT1 Antibody - Immunohistochemistry of paraffin-embedded human skeletal muscle tissue at dilution of 1:100
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POT1 Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IF, IHC, IHC-P
Unconjugated
50 µg/$294; 100 µg/$360
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POT1 Rabbit anti-Human Polyclonal (HRP) Antibody
Human
ELISA
HRP Conjugated
50 µg/$294; 100 µg/$360
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POT1 Rabbit anti-Human Polyclonal (Biotin) Antibody
Human
ELISA
Biotin Conjugated
50 µg/$294; 100 µg/$360
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POT1 Rabbit anti-Human Polyclonal (FITC) Antibody
Human
ELISA
FITC Conjugated
50 µg/$294; 100 µg/$360
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POT1 Rabbit anti-Human Polyclonal Antibody
Human
ELISA, IF, IHC, WB
Unconjugated
100 µg/$341
POT1 Antibody - Immunohistochemistry of paraffin-embedded rat kidney using POT1 antibodyat dilution of 1:100 (40x lens).
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POT1 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
IHC, WB
Unconjugated
20 µl/$275; 50 µl/$311; 100 µl/$389; 200 µl/$503
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POT1 Rabbit-New Zealand White anti-Human Polyclonal (aa383-433) Antibody
Human
IHC, WB
Unconjugated
100 µl/$393
POT1 Antibody - Western blot of POT1 antibody
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POT1 Rabbit anti-Human Polyclonal (Internal) Antibody
Human, Monkey
ELISA, WB
Unconjugated
50 µg/$295; 100 µg/$335; 200 µg/$394
POT1 Antibody - Western blot analysis of lysate from COS7 cells, using POT1 antibody.
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POT1 Rabbit anti-Human Polyclonal (aa247-296) Antibody
Human
Peptide-ELISA, WB
Unconjugated
50 µl/$334; 100 µl/$397
POT1 Antibody - Western blot analysis of POT1 using Jurkat whole cells lysates
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POT1 Rabbit anti-Human Polyclonal Antibody
Mouse, Rat, Human
Peptide-ELISA, WB
Unconjugated
100 µl/$379; 200 µl/$421
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POT1 Rabbit anti-Human Polyclonal (Internal) Antibody
Human
WB
Unconjugated
100 µl/$649
POT1 Antibody - POT1 antibody Western blot of HeLa lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (aa251-300) Antibody
Human
WB
Unconjugated
100 µl/$424
POT1 Antibody - POT1 antibody Western blot of HeLa lysate. This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (aa251-300) (FITC) Antibody
Pig, Horse, Dog, Guinea pig, Human, Orangutan, Gibbon
WB
FITC Conjugated
100 µl/$469
POT1 Antibody - Western blot of POTE1 Antibody with human RPMI-8226 Whole Cell lysate.  This image was taken for the unconjugated form of this product. Other forms have not been tested.
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POT1 Rabbit anti-Human Polyclonal (C-Terminus) Antibody
Human
WB
Unconjugated
100 µl/$424
POT1 Antibody - POT1 antibody Western blot. All lanes: Anti POT1 at 0.5 ug/ml. Lane 1: A431 Whole Cell Lysate at 40 ug. Lane 2: HELA Whole Cell Lysate at 40 ug. Lane 3: A549 Whole Cell Lysate at 40 ug. Predicted band size: 60 kD. Observed band size: 60 kD.
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POT1 Rabbit anti-Human Polyclonal (aa195-234) Antibody
Human
WB
Unconjugated
10 µg/$318; 100 µg/$470
POT1 Antibody - Western blot analysis of POT1 expression in HL60 (A); HeLa (B) whole cell lysates.
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POT1 Rabbit anti-Human Polyclonal (Internal) Antibody
Human, Monkey
WB
Unconjugated
100 µl/$299
Viewing 1-25 of 36 product results



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For RESEARCH USE ONLY. Intended for use by laboratory professionals. Not intended for human diagnostic or therapeutic purposes.

The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).