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SDS-Page

Telomeric Repeat Binding Factor 2 Recombinant Protein | TERF2 recombinant protein

Recombinant Telomeric Repeat Binding Factor 2 (TERF2)

Gene Names
TERF2; TRF2; TRBF2
Applications
SDS-Page, Western Blot, ELISA, Immunoprecipitation
Purity
>90%
Synonyms
Telomeric Repeat Binding Factor 2; Recombinant Telomeric Repeat Binding Factor 2 (TERF2); TERF2 recombinant protein
Ordering
For Research Use Only!
Host
Host: E Coli
Source: Prokaryotic expression
Purity/Purification
>90%
Form/Format
Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl.
Sequence
The target protein is fused with two N-terminal Tags, His-tag and T7-tag, its sequence is listed below.
RVMQCLS RIEEGENLDC SFDMEAELTP LESAINVLEM IKTEFTLTEA VVESSRKLVK EAAVIICIKN KEFEKASKIL KKHMSKDPTT QKLRNDLLNI IREKNLAHPV IQNFSYETFQ QKMLRFLESH LDDAEPYLLT MAKKALKSES AASSTGKEDK QPAPGPVEKP PREPARQLRN PPTTIGMMTL KAAFKTLSGA QDSEAAFAKL DQKDLVLPTQ ALPASPALKN KRPRKDENES SAPADGEGGS ELQPKNKRMT ISRLVLEEDS QSTEPSAGLN SSQEAASAPP SKPTVLNQ
Sequence Length
542
Applicable Applications for TERF2 recombinant protein
SDS-PAGE, Western Blot (WB), ELISA (EIA), Immunoprecipitation (IP)
Predicted Molecular Mass
36.3kDa
Accurate Molecular Mass (KD)
40kDa
Endotoxin
<1.0EU per 1ug (determined by the LAL method)
Expression System
Prokaryotic expression
Tag
N-terminal His-Tag
Organism Species
Homo sapiens (Human)
Fragment
Arg144~Gln438
Usage
Reconstitute in sterile PBS, pH7.2-pH7.4.
Preparation and Storage
Storage: Avoid repeated freeze/thaw cycles. Store at 2-8 degree C for one month. Aliquot and store at -80 degree C for 12 months.
Stability Test: The thermal stability is described by the loss rate of the targetprotein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37 degree C for 48h, and no obvious degradation andprecipitation were observed. The loss of this protein is less than 5% within the expiration date under appropriate storage condition.

SDS-Page

SDS-Page

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
Molecular Weight
32,298 Da
NCBI Official Full Name
telomeric repeat-binding factor 2
NCBI Official Synonym Full Names
telomeric repeat binding factor 2
NCBI Official Symbol
TERF2
NCBI Official Synonym Symbols
TRF2; TRBF2
NCBI Protein Information
telomeric repeat-binding factor 2
UniProt Protein Name
Telomeric repeat-binding factor 2
UniProt Gene Name
TERF2
UniProt Synonym Gene Names
TRBF2; TRF2
UniProt Entry Name
TERF2_HUMAN

NCBI Description

This gene encodes a telomere specific protein, TERF2, which is a component of the telomere nucleoprotein complex. This protein is present at telomeres in metaphase of the cell cycle, is a second negative regulator of telomere length and plays a key role in the protective activity of telomeres. While having similar telomere binding activity and domain organization, TERF2 differs from TERF1 in that its N terminus is basic rather than acidic. [provided by RefSeq, Jul 2008]

Uniprot Description

TRF2: Binds the telomeric double-stranded 5'-TTAGGG-3' repeat and plays a central role in telomere maintenance and protection against end-to-end fusion of chromosomes. In addition to its telomeric DNA-binding role, required to recruit a number of factors and enzymes required for telomere protection, including the shelterin complex, TERF2IP/RAP1 and DCLRE1B/Apollo. Component of the shelterin complex (telosome) that is involved in the regulation of telomere length and protection. Shelterin associates with arrays of double-stranded 5'-TTAGGG-3' 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. Together with DCLRE1B/Apollo, plays a key role in telomeric loop (T loop) formation by generating 3' single- stranded overhang at the leading end telomeres: T loops have been proposed to protect chromosome ends from degradation and repair. Required both to recruit DCLRE1B/Apollo to telomeres and activate the exonuclease activity of DCLRE1B/Apollo. Preferentially binds to positive supercoiled DNA. Together with DCLRE1B/Apollo, required to control the amount of DNA topoisomerase (TOP1, TOP2A and TOP2B) needed for telomere replication during fork passage and prevent aberrant telomere topology. Recruits TERF2IP/RAP1 to telomeres, thereby participating in to repressing homology- directed repair (HDR), which can affect telomere length. Homodimer. Component of the shelterin complex (telosome) composed of TERF1, TERF2, TINF2, TERF2IP/RAP1, ACD and POT1. Interacts with TERF2IP. Interacts with NBN. Interacts with SLX4/BTBD12. Interacts with DCLRE1B/Apollo and TERF2IP/RAP1; the interaction is direct. Ubiquitous. Highly expressed in spleen, thymus, prostate, uterus, testis, small intestine, colon and peripheral blood leukocytes. 2 isoforms of the human protein are produced by alternative splicing.

Protein type: DNA repair, damage; DNA-binding

Chromosomal Location of Human Ortholog: 16q22.1

Cellular Component: male germ cell nucleus; nucleoplasm; Golgi apparatus; chromosome, telomeric region; nuclear telomere cap complex; Mre11 complex; nuclear chromosome, telomeric region; cytoplasm; nucleus

Molecular Function: protein C-terminus binding; protein binding; protein homodimerization activity; telomeric DNA binding; double-stranded telomeric DNA binding; chromatin binding

Biological Process: negative regulation of telomere maintenance; telomere capping; in utero embryonic development; negative regulation of telomere maintenance via semi-conservative replication; telomeric loop formation; positive regulation of nitric-oxide synthase activity; positive regulation of telomere maintenance; telomere maintenance via telomerase; cell cycle; age-dependent telomere shortening; telomere maintenance; protection from non-homologous end joining at telomere

Research Articles on TERF2

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Product Notes

The TERF2 terf2 (Catalog #AAA2031120) is a Recombinant Protein produced from Host: E Coli Source: Prokaryotic expression and is intended for research purposes only. The product is available for immediate purchase. AAA Biotech's Telomeric Repeat Binding Factor 2 can be used in a range of immunoassay formats including, but not limited to, SDS-PAGE, Western Blot (WB), ELISA (EIA), Immunoprecipitation (IP). Researchers should empirically determine the suitability of the TERF2 terf2 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: The target protein is fused with two N-terminal Tags, His-tag and T7-tag, its sequence is listed below.
RVMQCLS RIEEGENLDC SFDMEAELTP LESAINVLEM IKTEFTLTEA VVESSRKLVK EAAVIICIKN KEFEKASKIL KKHMSKDPTT QKLRNDLLNI IREKNLAHPV IQNFSYETFQ QKMLRFLESH LDDAEPYLLT MAKKALKSES AASSTGKEDK QPAPGPVEKP PREPARQLRN PPTTIGMMTL KAAFKTLSGA QDSEAAFAKL DQKDLVLPTQ ALPASPALKN KRPRKDENES SAPADGEGGS ELQPKNKRMT ISRLVLEEDS QSTEPSAGLN SSQEAASAPP SKPTVLNQ. It is sometimes possible for the material contained within the vial of "Telomeric Repeat Binding Factor 2, Recombinant Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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