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PLK1 cell lysate

Human PLK1 Baculovirus-Insect cells Overexpression Lysate

Gene Names
PLK1; PLK; STPK13
Applications
Western Blot
Synonyms
PLK1; Human PLK1 Baculovirus-Insect cells Overexpression Lysate; Human PLK1/PLK-1 Insect Cell Lysate (WB positive control); polo-like kinase 1; Human PLK Overexpression Lysate; Human STPK13 Overexpression Lysate; PLK1 cell lysate
Ordering
For Research Use Only!
Host
Baculovirus-Insect cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
621aa
Sequence
Met1-Ser603
Applicable Applications for PLK1 cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
Sequence Construction
A DNA sequence encoding the human PLK1 (NP_005021.2) (Met 1-Ser 603) was expressed, with a polyhistidine tag at the N-terminus.
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for PLK1 cell lysate
Serine/threonine-protein kinase PLK1/PLK-1, also known as polo-like kinase 1 (PLK-1) or serine/threonine-protein kinase 13 (STPK13), Polo-like kinases (PLKs), is a family of four serine/threonine protein kinases that are critical regulators of cell cycle progression, mitosis, cytokinesis, and the DNA damage response. PLK1/PLK-1 is ubiquitously expressed. The mRNA and protein expression of PLK1/PLK-1, -2 and -4 are coordinately regulated during cell cycle progression, but PLK3 levels are independent of the other three family members. PLK1/PLK-1 is the most well-characterized member of this family and strongly promotes the progression of cells through mitosis. During the various stages of mitosis PLK1/PLK-1 localizes to the centrosomes, kinetochores and central spindle. PLKs are dysregulated in a variety of human cancers. PLK1/PLK-1 overexpression correlates with cellular proliferation and poor prognosis. Serine/threonine-protein kinase that performs several important functions throughout M phase of the cell cycle, including the regulation of centrosome maturation and spindle assembly, the removal of cohesins from chromosome arms, the inactivation of APC/C inhibitors, and the regulation of mitotic exit and cytokinesis. It is required for recovery after DNA damage checkpoint and entry into mitosis. PLK1/PLK-1 is required for kinetochore localization of BUB1B, spindle pole localization of isoform 3 of SGOL1 and plays a role in regulating its centriole cohesion function. PLK1/PLK-1 Phosphorylates BORA, and thereby promotes the degradation of BORA. PLK1/PLK-1 also contributes to the regulation of AURKA function and phosphorylates SGOL1.

This Human PLK1 overexpression lysate was created in Baculovirus-Insect cells and intented for use as a Western blot (WB) positive control. Purification of PLK1 protein from the overexpression lysate was verified.
References
Lee KS, et al. (2008) Self-regulated mechanism of Plk1 localization to kinetochores: lessons from the Plk1-PBIP1 interaction. Cell Div. 3: 4.Zhou T, et al. (2003) A role for Plk1 phosphorylation of NudC in cytokinesis. Dev Cell. 5 (1): 127-38.Lee M, et al. (2004) Phosphorylation of BRCA2 by the Polo-like kinase Plk1 is regulated by DNA damage and mitotic progression. Oncogene. 23 (4): 865-72.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
68,255 Da
NCBI Official Full Name
serine/threonine-protein kinase PLK1
NCBI Official Synonym Full Names
polo-like kinase 1
NCBI Official Symbol
PLK1
NCBI Official Synonym Symbols
PLK; STPK13
NCBI Protein Information
serine/threonine-protein kinase PLK1; PLK-1; polo like kinase; polo (Drosophia)-like kinase; serine/threonine-protein kinase 13; cell cycle regulated protein kinase
UniProt Protein Name
Serine/threonine-protein kinase PLK1
UniProt Gene Name
PLK1
UniProt Synonym Gene Names
PLK; PLK-1; STPK13
UniProt Entry Name
PLK1_HUMAN

NCBI Description

The Ser/Thr protein kinase encoded by this gene belongs to the CDC5/Polo subfamily. It is highly expressed during mitosis and elevated levels are found in many different types of cancer. Depletion of this protein in cancer cells dramatically inhibited cell proliferation and induced apoptosis; hence, it is a target for cancer therapy. [provided by RefSeq, Sep 2015]

Uniprot Description

PLK1: a kinase of the PLK family. Contains a polo-box domain (PBD), a specific phosphoserine or phosphothreonine binding domain. Substrates include BRCA2, Myt1, NudC, Cdc25C, cyclin B1, Nlp and other mitotic proteins. Inhibited by ATR. Plays a role in regulation of cytokinesis and coordinating M-phase events.

Protein type: Protein kinase, Ser/Thr (non-receptor); EC 2.7.11.21; Protein kinase, Other; Kinase, protein; Other group; PLK family

Chromosomal Location of Human Ortholog: 16p12.2

Cellular Component: spindle pole; centrosome; cytosol; nucleoplasm; kinetochore; microtubule cytoskeleton; spindle microtubule; cytoplasm; nucleolus; spindle; midbody; spindle midzone; nucleus

Molecular Function: protein serine/threonine kinase activity; protein binding; microtubule binding; kinase activity; protein kinase binding; ATP binding; protein kinase activity

Biological Process: positive regulation of ubiquitin-protein ligase activity during mitotic cell cycle; regulation of cell cycle; positive regulation of proteolysis; regulation of mitotic cell cycle; mitotic nuclear envelope disassembly; cytokinesis; protein ubiquitination; anaphase-promoting complex activation during mitotic cell cycle; negative regulation of transcription from RNA polymerase II promoter; protein amino acid phosphorylation; response to antibiotic; establishment of protein localization; cytokinesis after mitosis; anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process; centrosome organization and biogenesis; positive regulation of ubiquitin-protein ligase activity; mitotic cell cycle spindle assembly checkpoint; G2/M transition of mitotic cell cycle; mitosis; mitotic sister chromatid segregation; protein destabilization; organelle organization and biogenesis; regulation of mitotic metaphase/anaphase transition; negative regulation of cyclin-dependent protein kinase activity; cell proliferation; peptidyl-serine phosphorylation; regulation of ubiquitin-protein ligase activity during mitotic cell cycle; regulation of protein binding; positive regulation of proteasomal ubiquitin-dependent protein catabolic process; polar body extrusion after meiotic divisions; mitotic cell cycle; G2/M transition DNA damage checkpoint; microtubule bundle formation; mitotic metaphase/anaphase transition; negative regulation of apoptosis

Research Articles on PLK1

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Product Notes

The PLK1 plk1 (Catalog #AAA8114021) is a Cell Lysate produced from Baculovirus-Insect cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 621aa. AAA Biotech's PLK1 can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the PLK1 plk1 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: Met1-Ser60 3. It is sometimes possible for the material contained within the vial of "PLK1, Cell Lysate" 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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