PLK1 / PLK-1 Antibody Rabbit Polyclonal Antibody Catalog # ALS13257

10320 Camino Santa Fe, Suite G San Diego, CA 92121 Tel: 858.875.1900 Fax: 858.622.0609

Specification

PLK1 / PLK-1 Antibody - Product Information

Application WB, IHC Primary Accession P53350 Reactivity Human Host Rabbit Clonality Polyclonal Calculated MW 68kDa KDa

PLK1 / PLK-1 Antibody - Additional Information

Gene ID 5347 Sample(30 ug whole cell lysate). A: Raji. Other Names 7.5% SDS PAGE. PLK1 antibody diluted at Serine/threonine-protein kinase PLK1, 1:1000. 2.7.11.21, Polo-like kinase 1, PLK-1, Serine/threonine-protein kinase 13, STPK13, PLK1, PLK

Target/Specificity Human PLK1. Predicted cross-reactivity based on amino acid sequence homology: mouse (95%), rat (95%), bovine (95%).

Reconstitution & Storage Aliquot and store at -20°C. Minimize freezing and thawing.

Precautions PLK1 / PLK-1 Antibody is for research use only and not for use in diagnostic or Anti-PLK1 antibody IHC of human brain, therapeutic procedures. cortex.

PLK1 / PLK-1 Antibody - Protein Information

Name PLK1

Synonyms PLK

Function 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

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removal of cohesins from chromosome Anti-PLK1 antibody IHC of human placenta. arms, the inactivation of anaphase- promoting complex/cyclosome (APC/C) inhibitors, and the regulation of mitotic exit and cytokinesis. Polo-like kinase proteins acts by binding and phosphorylating proteins are that already phosphorylated on a specific motif recognized by the POLO box domains. Phosphorylates BORA, BUB1B/BUBR1, CCNB1, CDC25C, CEP55, ECT2, ERCC6L, FBXO5/EMI1, FOXM1, KIF20A/MKLP2, CENPU, NEDD1, NINL, NPM1, NUDC, PKMYT1/MYT1, KIZ, PPP1R12A/MYPT1, PRC1, RACGAP1/CYK4, SGO1, STAG2/SA2, TEX14, TOPORS, p73/TP73, TPT1, WEE1 and HNRNPU. Plays a key role in centrosome functions and the Anti-PLK1 antibody IHC of human skin. assembly of bipolar spindles by phosphorylating KIZ, NEDD1 and NINL. NEDD1 phosphorylation promotes PLK1 / PLK-1 Antibody - Background subsequent targeting of the gamma-tubulin ring complex (gTuRC) to the centrosome, Serine/threonine-protein kinase that performs an important step for spindle formation. several important functions throughout M Phosphorylation of NINL component of the phase of the cell cycle, including the regulation centrosome leads to NINL dissociation from of centrosome maturation and spindle other centrosomal proteins. Involved in assembly, the removal of cohesins from mitosis exit and cytokinesis by chromosome arms, the inactivation of phosphorylating CEP55, ECT2, anaphase-promoting complex/cyclosome KIF20A/MKLP2, CENPU, PRC1 and RACGAP1. (APC/C) inhibitors, and the regulation of mitotic Recruited at the central spindle by exit and cytokinesis. Polo-like kinase proteins phosphorylating and docking PRC1 and acts by binding and phosphorylating proteins KIF20A/MKLP2; creates its own docking sites are that already phosphorylated on a specific on PRC1 and KIF20A/MKLP2 by mediating motif recognized by the POLO box domains. phosphorylation of sites subsequently Phosphorylates BORA, BUB1B/BUBR1, CCNB1, recognized by the POLO box domains. CDC25C, CEP55, ECT2, ERCC6L, FBXO5/EMI1, Phosphorylates RACGAP1, thereby creating FOXM1, KIF20A/MKLP2, CENPU, NEDD1, NINL, a docking site for the Rho GTP exchange NPM1, NUDC, PKMYT1/MYT1, KIZ, factor ECT2 that is essential for the PPP1R12A/MYPT1, PRC1, RACGAP1/CYK4, cleavage furrow formation. Promotes the SGOL1, STAG2/SA2, TEX14, TOPORS, central spindle recruitment of ECT2. Plays a central role in G2/M transition of mitotic cell p73/TP73, TPT1 and WEE1. Plays a key role in cycle by phosphorylating CCNB1, CDC25C, centrosome functions and the assembly of FOXM1, CENPU, PKMYT1/MYT1, bipolar spindles by phosphorylating KIZ, PPP1R12A/MYPT1 and WEE1. Part of a NEDD1 and NINL. NEDD1 phosphorylation regulatory circuit that promotes the promotes subsequent targeting of the activation of CDK1 by phosphorylating the gamma-tubulin ring complex (gTuRC) to the positive regulator CDC25C and inhibiting centrosome, an important step for spindle the negative regulators WEE1 and formation. Phosphorylation of NINL component PKMYT1/MYT1. Also acts by mediating of the centrosome leads to NINL dissociation phosphorylation of cyclin-B1 (CCNB1) on from other centrosomal proteins. Involved in centrosomes in prophase. Phosphorylates mitosis exit and cytokinesis by phosphorylating FOXM1, a key mitotic transcription CEP55, ECT2, KIF20A/MKLP2, CENPU, PRC1 and regulator, leading to enhance FOXM1 RACGAP1. Recruited at the central spindle by transcriptional activity. Involved in phosphorylating and docking PRC1 and kinetochore functions and sister chromatid KIF20A/MKLP2; creates its own docking sites on cohesion by phosphorylating BUB1B/BUBR1, PRC1 and KIF20A/MKLP2 by mediating FBXO5/EMI1 and STAG2/SA2. PLK1 is high phosphorylation of sites subsequently

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on non-attached kinetochores suggesting a recognized by the POLO box domains. role of PLK1 in kinetochore attachment or in Phosphorylates RACGAP1, thereby creating a spindle assembly checkpoint (SAC) docking site for the Rho GTP exchange factor regulation. Required for kinetochore ECT2 that is essential for the cleavage furrow localization of BUB1B. Regulates the formation. Promotes the central spindle dissociation of cohesin from chromosomes recruitment of ECT2. Plays a central role in by phosphorylating cohesin subunits such G2/M transition of mitotic cell cycle by as STAG2/SA2. Phosphorylates SGO1: phosphorylating CCNB1, CDC25C, FOXM1, required for spindle pole localization of CENPU, PKMYT1/MYT1, PPP1R12A/MYPT1 and isoform 3 of SGO1 and plays a role in WEE1. Part of a regulatory circuit that regulating its centriole cohesion function. promotes the activation of CDK1 by Mediates phosphorylation of FBXO5/EMI1, a phosphorylating the positive regulator CDC25C negative regulator of the APC/C complex and inhibiting the negative regulators WEE1 during prophase, leading to FBXO5/EMI1 and PKMYT1/MYT1. Also acts by mediating ubiquitination and degradation by the proteasome. Acts as a negative regulator of phosphorylation of cyclin-B1 (CCNB1) on p53 family members: phosphorylates centrosomes in prophase. Phosphorylates TOPORS, leading to inhibit the sumoylation FOXM1, a key mitotic transcription regulator, of p53/TP53 and simultaneously enhance leading to enhance FOXM1 transcriptional the ubiquitination and subsequent activity. Involved in kinetochore functions and degradation of p53/TP53. Phosphorylates sister chromatid cohesion by phosphorylating the transactivation domain of the BUB1B/BUBR1, FBXO5/EMI1 and STAG2/SA2. transcription factor p73/TP73, leading to PLK1 is high on non-attached kinetochores inhibit p73/TP73-mediated transcriptional suggesting a role of PLK1 in kinetochore activation and pro-apoptotic functions. attachment or in spindle assembly checkpoint Phosphorylates BORA, and thereby (SAC) regulation. Required for kinetochore promotes the degradation of BORA. localization of BUB1B. Regulates the Contributes to the regulation of AURKA dissociation of cohesin from chromosomes by function. Also required for recovery after phosphorylating cohesin subunits such as DNA damage checkpoint and entry into STAG2/SA2. Phosphorylates SGOL1: required mitosis. Phosphorylates MISP, leading to for spindle pole localization of isoform 3 of stabilization of cortical and astral SGOL1 and plays a role in regulating its microtubule attachments required for centriole cohesion function. Mediates proper spindle positioning (PubMed:8991084, prophase, leading to FBXO5/EMI1 PubMed:11202906, p53 family members: phosphorylates TOPORS, PubMed:12207013, and simultaneously enhance the ubiquitination PubMed:12447691, the transcription factor p73/TP73, leading to PubMed:12524548, Phosphorylates BORA, and thereby promotes PubMed:12738781, recovery after DNA damage checkpoint and PubMed:12852856, microtubule attachments required for proper PubMed:12939256, PLK1 / PLK-1 Antibody - References

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PubMed:14532005, Lake R.J.,et al.Mol. Cell. Biol. PubMed:14734534, Golsteyn R.M.,et al.J. Cell Sci. PubMed:15070733, 91:1736-1740(1994). PubMed:15148369, PubMed:15469984, PubMed:16198290, PubMed:16247472, PubMed:16980960, PubMed:17081991, PubMed:17351640, PubMed:17376779, PubMed:17617734, PubMed:18174154, PubMed:18331714, PubMed:18418051, PubMed:18477460, PubMed:18521620, PubMed:18615013, PubMed:19160488,

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PubMed:19351716, PubMed:19468300, PubMed:19468302, PubMed:19473992, PubMed:19509060, PubMed:19597481, PubMed:23455478, PubMed:23509069). Together with MEIKIN, acts as a regulator of kinetochore function during meiosis I: required both for mono-orientation of kinetochores on sister chromosomes and protection of centromeric cohesin from separase- mediated cleavage (By similarity). Phosphorylates CEP68 and is required for its degradation (PubMed:25503564). Regulates nuclear envelope breakdown during prophase by phosphorylating DCTN1 resulting in its localization in the nuclear envelope (PubMed:20679239). Phosphorylates the heat shock transcription factor HSF1, promoting HSF1 nuclear translocation upon heat shock (PubMed:15661742). Phosphorylates HSF1 also in the early mitotic period; this phosphorylation regulates HSF1 localization to the spindle pole, the recruitment of the SCF(BTRC) ubiquitin ligase complex induicing HSF1 degradation, and hence mitotic progression (PubMed:18794143). Regulates mitotic progression by phosphorylating RIOK2 (PubMed:

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target="_blank">21880710).

Cellular Location Nucleus. Chromosome, centromere, kinetochore. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Cytoplasm, cytoskeleton, spindle. Midbody Note=localization at the centrosome starts at the G1/S transition (PubMed:24018379). During early stages of mitosis, the phosphorylated form is detected on centrosomes and kinetochores. Localizes to the outer kinetochore. Presence of SGO1 and interaction with the phosphorylated form of BUB1 is required for the kinetochore localization. Localizes onto the central spindle by phosphorylating and docking at midzone proteins KIF20A/MKLP2 and PRC1. Colocalizes with FRY to separating centrosomes and spindle poles from prophase to metaphase in mitosis, but not in other stages of the cell cycle. Localization to the centrosome is required for S phase progression (PubMed:24018379) Colocalizes with HSF1 at the spindle poles during prometaphase (PubMed:18794143).

Tissue Location Placenta and colon.

Volume 50 µl

PLK1 / PLK-1 Antibody - Protocols

Provided below are standard protocols that you may find useful for product applications.

• Western Blot • Blocking Peptides • Dot Blot • Immunohistochemistry • Immunofluorescence • Immunoprecipitation • Flow Cytomety • Cell Culture

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