Aurora-B (ARK/STK12) Blocking Peptide | AURKB blocking peptide

Aurora-B (ARK/STK12) Antibody (Center) Blocking peptide

• Gene Names: AURKB; AIK2; AIM1; ARK2; AurB; IPL1; STK5; AIM-1; STK12; PPP1R48; aurkb-sv1; aurkb-sv2
• Synonyms: Aurora-B (ARK/STK12); Aurora-B (ARK/STK12) Antibody (Center) Blocking peptide; Aurora kinase B; Aurora 1; Aurora- and IPL1-like midbody-associated protein 1; AIM-1; Aurora/IPL1-related kinase 2; ARK-2; Aurora-related kinase 2; STK-1; Serine/threonine-protein kinase 12; Serine/threonine-protein kinase 5; Serine/threonine-protein kinase aurora-B; AURKB; AIK2; AIM1; AIRK2; ARK2; STK1; STK12; STK5; AURKB blocking peptide

• Form/Format: The synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml deionized water for a final concentration of 1 mg/ml.
• Sequence Length: 344

• Cellular Location: Nucleus. Chromosome. Chromosome, centromere. Cytoplasm, cytoskeleton, spindle. Midbody. Note: Localizes on chromosome arms and inner centromeres from prophase through metaphase and then transferring to the spindle midzone and midbody from anaphase through cytokinesis. Colocalized with gamma tubulin in the mid-body. Proper localization of the active, Thr-232- phosphorylated form during metaphase may be dependent upon interaction with SPDYC. Colocalized with SIRT2 during cytokinesis with the midbody
• Tissue Location: High level expression seen in the thymus. It is also expressed in the spleen, lung, testis, colon, placenta and fetal liver. Expressed during S and G2/M phase and expression is up-regulated in cancer cells during M phase
• Preparation and Storage: Maintain refrigerated at 2-8 degree C for up to 6 months. For long term storage store at -20 degree C.

Related Product Information for AURKB blocking peptide

Serine/threonine-protein kinase component of the chromosomal passenger complex (CPC), a complex that acts as a key regulator of mitosis. The CPC complex has essential functions at the centromere in ensuring correct chromosome alignment and segregation and is required for chromatin-induced microtubule stabilization and spindle assembly. Involved in the bipolar attachment of spindle microtubules to kinetochores and is a key regulator for the onset of cytokinesis during mitosis. Required for central/midzone spindle assembly and cleavage furrow formation. Key component of the cytokinesis checkpoint, a process required to delay abscission to prevent both premature resolution of intercellular chromosome bridges and accumulation of DNA damage: phosphorylates CHMP4C, leading to retain abscission- competent VPS4 (VPS4A and/or VPS4B) at the midbody ring until abscission checkpoint signaling is terminated at late cytokinesis (PubMed:22422861, PubMed:24814515). AURKB phosphorylates the CPC complex subunits BIRC5/survivin, CDCA8/borealin and INCENP. Phosphorylation of INCENP leads to increased AURKB activity. Other known AURKB substrates involved in centromeric functions and mitosis are CENPA, DES/desmin, GPAF, KIF2C, NSUN2, RACGAP1, SEPT1, VIM/vimentin, GSG2/Haspin, and histone H3. A positive feedback loop involving GSG2 and AURKB contributes to localization of CPC to centromeres. Phosphorylation of VIM controls vimentin filament segregation in cytokinetic process, whereas histone H3 is phosphorylated at 'Ser-10' and 'Ser-28' during mitosis (H3S10ph and H3S28ph, respectively). A positive feedback between GSG2 and AURKB contributes to CPC localization. AURKB is also required for kinetochore localization of BUB1 and SGOL1. Phosphorylation of p53/TP53 negatively regulates its transcriptional activity. Key regulator of active promoters in resting B- and T-lymphocytes: acts by mediating phosphorylation of H3S28ph at active promoters in resting B-cells, inhibiting RNF2/RING1B-mediated ubiquitination of histone H2A and enhancing binding and activity of the USP16 deubiquitinase at transcribed genes.

NCBI and Uniprot Product Information

• NCBI GI #: 317373473
• NCBI GeneID: 9212
• UniProt Accession #: Q96GD4; O14630; O60446; O95083; Q96DV5; Q9UQ46; B4DNM4; C7G533; C7G534; C7G535; D3DTR4; J9JID1
• Molecular Weight: 39,467 Da
• NCBI Official Full Name: Aurora kinase B
• NCBI Official Synonym Full Names: aurora kinase B
• NCBI Official Symbol: AURKB
• NCBI Official Synonym Symbols: AIK2; AIM1; ARK2; AurB; IPL1; STK5; AIM-1; STK12; PPP1R48; aurkb-sv1; aurkb-sv2
• NCBI Protein Information: aurora kinase B
• UniProt Protein Name: Aurora kinase B
• Protein Family: Aurora kinase
• UniProt Gene Name: AURKB
• UniProt Synonym Gene Names: AIK2; AIM1; AIRK2; ARK2; STK1; STK12; STK5; AIM-1; ARK-2; Aurora-related kinase 2
• UniProt Entry Name: AURKB_HUMAN

NCBI Description

This gene encodes a member of the aurora kinase subfamily of serine/threonine kinases. The genes encoding the other two members of this subfamily are located on chromosomes 19 and 20. These kinases participate in the regulation of alignment and segregation of chromosomes during mitosis and meiosis through association with microtubules. A pseudogene of this gene is located on chromosome 8. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Sep 2015]

Uniprot Description

AurB: a member of the AUR family of kinases. May be directly involved in regulating the cleavage of polar spindle microtubules and is a key regulator for the onset of cytokinesis during mitosis. Expressed during S and G2/M phase and expression is upregulated in cancer cells during M phase. Localized to the midzone of central spindle in late anaphase and concentrated into the midbody in telophase and cytokinesis. Colocalizes with gamma tubulin in the mid-body. Component of the chromosomal passenger complex (CPC), a complex that acts as a key regulator of mitosis. The CPC complex has essential functions at the centromere in ensuring correct chromosome alignment and segregation and is required for chromatin-induced microtubule stabilization and spindle assembly. Overexpressed in colorectal and other cancer cell lines and thought to cause aneuploidy via histone phosphorylation.

Protein type: EC 2.7.11.1; Protein kinase, Ser/Thr (non-receptor); Kinase, protein; Protein kinase, Other; Other group; AUR family

Chromosomal Location of Human Ortholog: 17p13.1

Cellular Component: condensed nuclear chromosome, pericentric region; cytosol; intercellular bridge; kinetochore; midbody; nucleoplasm; nucleus; spindle; spindle microtubule; spindle midzone; spindle pole centrosome

Molecular Function: histone serine kinase activity; protein binding; protein serine/threonine kinase activity; protein serine/threonine/tyrosine kinase activity

Biological Process: abscission; anaphase-promoting complex-dependent proteasomal ubiquitin-dependent protein catabolic process; attachment of spindle microtubules to kinetochore; histone modification; negative regulation of B cell apoptosis; negative regulation of cytokinesis; negative regulation of protein binding; negative regulation of transcription from RNA polymerase II promoter; positive regulation of cytokinesis; positive regulation of telomerase activity; positive regulation of telomere maintenance via telomerase; protein amino acid autophosphorylation; protein amino acid phosphorylation; protein sumoylation; protein ubiquitination during ubiquitin-dependent protein catabolic process; regulation of chromosome segregation; sister chromatid cohesion; spindle midzone assembly involved in mitosis; spindle organization and biogenesis