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Key Documents

SRP3135

Sigma-Aldrich

p16-INK-4a TAT

recombinant, expressed in E. coli, lyophilized, ≥95% (SDS-PAGE), ≥95% (HPLC), suitable for mammalian cell culture

Synonyme(s) :

CDK4I, Cyclin-dependent kinase 4 inhibitor A, Cyclin-dependent kinase inhibitor 2A, Multiple tumor suppressor 1, p16-INK4, p16INK4A

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About This Item

Code UNSPSC :
12352202
Nomenclature NACRES :
NA.32

product name

p16-INK-4a TAT human, recombinant, expressed in E. coli, ≥95% (SDS-PAGE), ≥95% (HPLC), suitable for cell culture

Source biologique

human

Produit recombinant

expressed in E. coli

Pureté

≥95% (HPLC)
≥95% (SDS-PAGE)

Forme

lyophilized

Poids mol.

18 kDa

Conditionnement

pkg of 25 μg

Technique(s)

cell culture | mammalian: suitable

Impuretés

<0.1 EU/μg endotoxin, tested

Couleur

white to off-white

Numéro d'accès UniProt

P42771

Conditions d'expédition

wet ice

Température de stockage

−20°C

Informations sur le gène

human ... CDKN2A(1029)

Description générale

Cyclin dependent kinase inhibitor 2A (CDKN2A) also known as p16-INK-4a, belongs to the Ink4 (inhibitor of CDK4) family of CDK inhibitors. It is encoded by the gene mapped to human chromosome 9p21 within the INK4a/ alternate reading frame (ARF) locus. Human P16-INK4A is localized in both nucleus and cytoplasm, and its expression increases with ageing in skin and kidney tissues.

Actions biochimiques/physiologiques

Cyclin dependent kinase inhibitor 2A (CDKN2A), also known as p16-INK-4a, arrests cell cycle progression by inhibiting S-phase and promotes apoptosis. The encoded protein has anti-proliferative biological activity, and is implicated in the retinoblastoma (Rb) protein pathway. p16-INK-4a acts as a tumor suppressor and plays a vital role in ageing and cellular senescence. Increased expression of this protein might lead to various types of high grade cancers. p16-INK-4a also facilitates cell invasion and angiogenesis. Bronchial lavage P16INK4A promoter methylation might function as a potential biomarker for diagnosis of lung cancer.

Séquence

EPAAGSSMEP SADWLATAAA RGRVEEVRAL LEAGALPNAP NSYGRRPIQV MMMGSARVAE LLLLHGAEPN CADPATLTRP VHDAAREGFL DTLVVLHRAG ARLDVRDAWG RLPVDLAEEL GHRDVARYLR AAAGGTRGSN HARIDAAEGP SDIPDGYGR KKRRQRRR

Forme physique

Lyophilized with no additives.

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

p16(Ink4a) overexpression in cancer: a tumor suppressor gene associated with senescence and high-grade tumors.
Oncogene (2011)
Antiproliferative effects of local anesthetics on mesenchymal stem cells: potential implications for tumor spreading and wound healing.
Lucchinett E
Anesthesiology (2012)
Expression and significance of p53, rb, p21/waf-1, p16/ink-4a, and PTEN tumor suppressors in canine melanoma.
Koenig A
Veterinary Pathology (2002)
A Okamoto et al.
Proceedings of the National Academy of Sciences of the United States of America, 91(23), 11045-11049 (1994-11-08)
Cell cycle arrest at the G1 checkpoint allows completion of critical macromolecular events prior to S phase. Regulators of the G1 checkpoint include an inhibitor of cyclin-dependent kinase, p16INK4; two tumor-suppressor proteins, p53 and RB (the product of the retinoblastoma-susceptibility
Jinsuke Nishino et al.
Cell, 135(2), 227-239 (2008-10-30)
Stem cells persist throughout life in diverse tissues by undergoing self-renewing divisions. Self-renewal capacity declines with age, partly because of increasing expression of the tumor suppressor p16(Ink4a). We discovered that the Hmga2 transcriptional regulator is highly expressed in fetal neural

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