05-345
Anti-p21/WAF1/Cip1 Antibody
Upstate®, from mouse
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Synonym(s):
CDK-interacting protein, CDK-interaction protein, DNA synthesis inhibitor, Melanoma differentiation-associated protein 6, cyclin-dependent kinase inhibitor 1A, melanoma differentiation associated protein 6, wild-type p53-activated fragment 1
UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41
Recommended Products
biological source
mouse
Quality Level
antibody form
purified immunoglobulin
antibody product type
primary antibodies
clone
CP36, monoclonal
CP74, monoclonal
species reactivity
mouse, human
manufacturer/tradename
Upstate®
technique(s)
immunoprecipitation (IP): suitable
western blot: suitable
isotype
IgG
NCBI accession no.
UniProt accession no.
shipped in
dry ice
target post-translational modification
unmodified
Gene Information
human ... CDKN1A(1026)
General description
Two families of cyclin dependent kinase inhibitors (CKIs) have been identified. The p21WAF1/Cip1 family inhibits all kinases involved in the G1/S transition. The p16INK4a family inhibits Cdk4 and Cdk6 specifically. The biochemical activities and patterns of expression of CKIs during development implicate these proteins as the primary effectors of signaling pathways that control cell cycle exit, an event that is critical for differentiation. Studies have shown that p21WAF1/Cip1 binds tightly to the G1 and S phase kinases, cyclin E/Cdk2, cyclin D/Cdk4, and cyclin A/Cdk2, and effectively inhibits their activity, whereas p21WAF1/Cip1 is a relatively poor inhibitor of the G2/M phase kinase cyclin B/Cdc2. In addition, p21WAF1/Cip1 inhibits proliferating cell nuclear antigen (PCNA), binds to and inhibits inactivation of Rb, which is essential for cell cycle progression, and may also interact with E2F and protect cells against p53-mediated apoptosis.
Specificity
Other species cross-reactivity is unknown.
Recognizes Cip1, MW 21 kDa
Immunogen
Epitope: amino acids 1-80
Recombinant full-length human Cip1 with a histidine tag.
Application
Immunoprecipitation: 4 μg of a previous lot immunoprecipitated Cip1 from 500 μg of HeLa nuclear extract.
Research Category
Epigenetics & Nuclear Function
Epigenetics & Nuclear Function
Research Sub Category
Cell Cycle, DNA Replication & Repair
Cell Cycle, DNA Replication & Repair
Use Anti-p21/WAF1/Cip1 Antibody (Mouse Monoclonal Antibody) validated in WB, IP to detect p21/WAF1/Cip1 also known as CDK-interacting protein or cyclin-dependent kinase inhibitor 1A.
Quality
Evaluated by western blotting on HeLa nuclear extract.
Western Blot Analysis: 0.5-2 μg/mL of this antibody detected Cip1 in 20 μg of HeLa nuclear extract
Western Blot Analysis: 0.5-2 μg/mL of this antibody detected Cip1 in 20 μg of HeLa nuclear extract
Target description
21 kDa
Physical form
Format: Purified
Protein G Purified
Purified, pooled monoclonal mouse IgGs in buffer containing 0.1 M Trisglycine, pH 7.4, 0.15 M NaCl containing 0.05% sodium azide. Frozen solution.
Storage and Stability
Stable for 1 year at from date of receipt.
Analysis Note
Control
Positive Antigen Control: Catalog #12-309, Hela cell nuclear extract. Add an equal volume of Laemmli reducing sample buffer to 10 μL of extract and boil for 5 minutes to reduce the preparation. Load 20 μg of reduced extract per lane for minigels.
Positive Antigen Control: Catalog #12-309, Hela cell nuclear extract. Add an equal volume of Laemmli reducing sample buffer to 10 μL of extract and boil for 5 minutes to reduce the preparation. Load 20 μg of reduced extract per lane for minigels.
Other Notes
Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.
Legal Information
UPSTATE is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
recommended
Product No.
Description
Pricing
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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CREG1 enhances p16(INK4a) -induced cellular senescence.
Moolmuang, B; Tainsky, MA
Cell Cycle null
Georg Nickenig et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 16(9), 1077-1086 (2002-06-28)
Reactive oxygen species such as superoxide and hydroxyl radicals have been implicated in the pathogenic growth of various cell types. The molecular mechanisms involved in redox-sensitive cell growth control are poorly understood. Stimulation of cultured vascular smooth muscle cells (VSMC)
Histone deacetylase is a target of valproic acid-mediated cellular differentiation.
Gurvich, Nadia, et al.
Cancer Research, 64, 1079-1086 (2004)
Sorafenib attenuates p21 in kidney cancer cells and augments cell death in combination with DNA-damaging chemotherapy.
Inoue, Hiromi, et al.
Cancer Biology & Therapy, 12, 827-836 (2011)
Metformin suppresses growth of human head and neck squamous cell carcinoma via global inhibition of protein translation.
Sikka, A; Kaur, M; Agarwal, C; Deep, G; Agarwal, R
Cell Cycle null
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