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  4. Recombinant Schizosaccharomyces pombe Histone-lysine N-methyltransferase, H3 lysine-9 specific (clr4)

Recombinant Schizosaccharomyces pombe Histone-lysine N-methyltransferase, H3 lysine-9 specific (clr4)

  • 中文名称：
    Recombinant Schizosaccharomyces pombe Histone-lysine N-methyltransferase, H3 lysine-9 specific(clr4)
  • 货号：
    CSB-YP527641SXV
  • 规格：
  • 来源：
    Yeast
  • 其他：
  • 中文名称：
    Recombinant Schizosaccharomyces pombe Histone-lysine N-methyltransferase, H3 lysine-9 specific(clr4)
  • 货号：
    CSB-EP527641SXV
  • 规格：
  • 来源：
    E.coli
  • 其他：
  • 中文名称：
    Recombinant Schizosaccharomyces pombe Histone-lysine N-methyltransferase, H3 lysine-9 specific(clr4)
  • 货号：
    CSB-EP527641SXV-B
  • 规格：
  • 来源：
    E.coli
  • 共轭：
    Avi-tag Biotinylated

    E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.

  • 其他：
  • 中文名称：
    Recombinant Schizosaccharomyces pombe Histone-lysine N-methyltransferase, H3 lysine-9 specific(clr4)
  • 货号：
    CSB-BP527641SXV
  • 规格：
  • 来源：
    Baculovirus
  • 其他：
  • 中文名称：
    Recombinant Schizosaccharomyces pombe Histone-lysine N-methyltransferase, H3 lysine-9 specific(clr4)
  • 货号：
    CSB-MP527641SXV
  • 规格：
  • 来源：
    Mammalian cell
  • 其他：

产品详情

  • 纯度：
    >85% (SDS-PAGE)
  • 基因名：
    clr4
  • Uniprot No.：
    O60016
  • 别名：
    clr4; kmt1; SPBC428.08cHistone-lysine N-methyltransferase; H3 lysine-9 specific; EC 2.1.1.355; Cryptic loci regulator 4; Histone H3-K9 methyltransferase; H3-K9-HMTase; Lysine N-methyltransferase 1
  • 种属：
    Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)
  • 蛋白长度：
    full length protein
  • 表达区域：
    1-490
  • 氨基酸序列
    MSPKQEEYEV ERIVDEKLDR NGAVKLYRIR WLNYSSRSDT WEPPENLSGC SAVLAEWKRR KRRLKGSNSD SDSPHHASNP HPNSRQKHQH QTSKSVPRSQ RFSRELNVKK ENKKVFSSQT TKRQSRKQST ALTTNDTSII LDDSLHTNSK KLGKTRNEVK EESQKRELVS NSIKEATSPK TSSILTKPRN PSKLDSYTHL SFYEKRELFR KKLREIEGPE VTLVNEVDDE PCPSLDFQFI SQYRLTQGVI PPDPNFQSGC NCSSLGGCDL NNPSRCECLD DLDEPTHFAY DAQGRVRADT GAVIYECNSF CSCSMECPNR VVQRGRTLPL EIFKTKEKGW GVRSLRFAPA GTFITCYLGE VITSAEAAKR DKNYDDDGIT YLFDLDMFDD ASEYTVDAQN YGDVSRFFNH SCSPNIAIYS AVRNHGFRTI YDLAFFAIKD IQPLEELTFD YAGAKDFSPV QSQKSQQNRI SKLRRQCKCG SANCRGWLFG
  • 蛋白标签：
    Tag type will be determined during the manufacturing process.
    The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
  • 产品提供形式：
    Lyophilized powder
    Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
  • 复溶：
    We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
  • 储存条件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期：
    The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
    Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
  • 货期：
    Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
    Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
  • 注意事项：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet ：
    Please contact us to get it.

产品评价

靶点详情

  • 功能：
    Histone methyltransferase which contributes to the establishment of heterochromatin by specifically methylating histone H3 to form H3K9me. Part of the Clr4 methyltransferase complex (ClrC). ClrC preferentially ubiquitylates H3K14 and ClrC-mediated H3 ubiquitination promotes clr4 methyltransferase activity. Clr4 functions as a reader and writer of H3K9 methylation. It sets the H3K9me mark and afterwards this H3K9me mark is recognized by the chromodomains of clr4 and swi6/HP1, which then recruit additional clr4 leading to the methylation of neighboring nucleosomes. H3K9me represents a specific tag for epigenetic transcriptional repression by recruiting swi6/HP1 to methylated histones which leads to transcriptional silencing within centromeric heterochromatin, telomeres, ribosomal DNA repeats, and the silent mating-type region. Clr4 methyltransferase activity promotes the assembly of a tripartite complex composed of ClrC and complexes involved in siRNA generation. Apart from H3K9, methylates also non-histone proteins such as mlo3. Interacts with mlo3 to promote the processing of centromeric and antisense RNAs.
  • 基因功能参考文献：
    1. These results demonstrate how a direct "read-write" mechanism involving Clr4 propagates histone modifications and allows histones to act as carriers of epigenetic information. PMID: 25831549
    2. Sir2 is required for Clr4 to initiate centromeric heterochromatin assembly. PMID: 23771057
    3. Division of Labor between the Chromodomains of HP1/Swi6 and Suv39/Clr4 Is Required for Productive Heterochromatin Assembly. PMID: 23849629
    4. self-association of Swi6/HP1 helps in binding to and recruitment of Clr4 and thereby in establishment and maintenance of heterochromatin by a concerted rather than a sequential mechanism. PMID: 21224386
    5. findings link Clr4 to RNA quality control machinery and suggest a pathway for processing potentially deleterious RNAs through the coordinated actions of RNAi and other RNA processing activities PMID: 21436456
    6. Data show that overexpression of clr4(+) in clr4Deltaago1Delta cells results in some de novo H3K9me2 accumulation at centromeres. PMID: 21060862
    7. Data show that the stretched morphology of lagging kinetochores in pcs1Delta and clr4Delta mutant cells is due to merotelic attachment. PMID: 20935472
    8. The methyltransferase activity of Clr4Suv39h triggers RNAi independently of histone H3K9 methylation. PMID: 20705239
    9. analysis of transcriptional targets of the histone H3 Lys9-specific methyltransferase Clr4 by mrna differential display PMID: 16264237
    10. Clr4 abolished the inhibitory effect of histone h3 on the RanGAP activity required for the heterochromatin assembly. PMID: 16540522
    11. The components of the Clr4 histone K3-K9 methyltransferase-Rik1-Cullin4 complex act concertedly at an early step in heterochromatin formation. PMID: 17114925
    12. In a strain lacking the histone methyltransferase Clr4, crucial for the formation of heterochromatin, the mating-type region had a random localization in the nucleus. PMID: 17504808
    13. analyses delineate sequential steps for the assembly of heterochromatic domains and suggest that the ability of Clr4 to both 'write' and 'read' H3K9me facilitates heterochromatin maintenance through successive cell divisions PMID: 18345014
    14. APC and heterochromatin proteins Swi6 and Clr4 play a mutually cooperative role in heterochromatin assembly, thereby ensuring chromosomal integrity, inheritance, and segregation during mitosis and meiosis. PMID: 19117951

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  • 亚细胞定位：
    Nucleus. Cytoplasm, cytoskeleton, microtubule organizing center, spindle pole body. Chromosome.
  • 蛋白家族：
    Class V-like SAM-binding methyltransferase superfamily, Histone-lysine methyltransferase family, Suvar3-9 subfamily
  • 数据库链接：

    KEGG: spo:SPBC428.08c

    STRING: 4896.SPBC428.08c.1

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