Phospho-P21CIP1(T145) Antibody
Affinity Purified Rabbit Polyclonal Antibody (Pab)
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- 文献引用 : 2
- 实验流程
- 背景知识
Application ![]()
| WB, DB, IHC-P, E |
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Primary Accession | P38936 |
Reactivity | Human, Mouse |
Host | Rabbit |
Clonality | Polyclonal |
Isotype | Rabbit IgG |
Calculated MW | 18119 Da |
Gene ID | 1026 |
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Other Names | Cyclin-dependent kinase inhibitor 1, CDK-interacting protein 1, Melanoma differentiation-associated protein 6, MDA-6, p21, CDKN1A, CAP20, CDKN1, CIP1, MDA6, PIC1, SDI1, WAF1 |
Target/Specificity | This P21CIP1 Antibody is generated from rabbits immunized with a KLH conjugated synthetic phosphopeptide corresponding to amino acid residues surrounding T145 of human P21CIP1. |
Dilution | WB~~1:1000 DB~~1:500 IHC-P~~1:100~500 E~~Use at an assay dependent concentration. |
Format | Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification. |
Storage | Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles. |
Precautions | Phospho-P21CIP1(T145) Antibody is for research use only and not for use in diagnostic or therapeutic procedures. |
Name | CDKN1A (HGNC:1784) |
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Function | Plays an important role in controlling cell cycle progression and DNA damage-induced G2 arrest (PubMed:9106657). Involved in p53/TP53 mediated inhibition of cellular proliferation in response to DNA damage. Also involved in p53-independent DNA damage-induced G2 arrest mediated by CREB3L1 in astrocytes and osteoblasts (By similarity). Binds to and inhibits cyclin-dependent kinase activity, preventing phosphorylation of critical cyclin-dependent kinase substrates and blocking cell cycle progression. Functions in the nuclear localization and assembly of cyclin D-CDK4 complex and promotes its kinase activity towards RB1. At higher stoichiometric ratios, inhibits the kinase activity of the cyclin D-CDK4 complex. Inhibits DNA synthesis by DNA polymerase delta by competing with POLD3 for PCNA binding (PubMed:11595739). Negatively regulates the CDK4- and CDK6-driven phosphorylation of RB1 in keratinocytes, thereby resulting in the release of E2F1 and subsequent transcription of E2F1-driven G1/S phase promoting genes (By similarity). |
Cellular Location | Cytoplasm. Nucleus |
Tissue Location | Expressed in all adult tissues, with 5-fold lower levels observed in the brain |
For Research Use Only. Not For Use In Diagnostic Procedures.

Provided below are standard protocols that you may find useful for product applications.
BACKGROUND
P21CIP1 is a potent cyclin-dependent kinase inhibitor. This protein binds to and inhibits the activity of cyclin-CDK2 or -CDK4 complexes, and thus functions as a regulator of cell cycle progression at G1. Expression is tightly controlled by the tumor suppressor protein p53, through which this protein mediates the p53-dependent cell cycle G1 phase arrest in response to a variety of stress stimuli. P21CIP1 can interact with proliferating cell nuclear antigen (PCNA), a DNA polymerase accessory factor, and plays a regulatory role in S phase DNA replication and DNA damage repair. This protein has been reported to be specifically cleaved by CASP3-like caspases, which thus leads to a dramatic activation of CDK2, and may be instrumental in the execution of apoptosis following caspase activation.
REFERENCES
Scott, S.A., et al., Leuk. Res. 28(12):1293-1301 (2004).
Amini, S., et al., J. Biol. Chem. 279(44):46046-46056 (2004).
Chen, T., et al., Cancer Res. 64(20):7412-7419 (2004).
Sieburg, M., et al., J. Virol. 78(19):10399-10409 (2004).
Giraud, S., et al., Oncogene 23(44):7391-7398 (2004).

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