su(Hw) Antibody

Code CSB-PA357541XA01DLU
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Product Details

Full Product Name
Rabbit anti-Drosophila melanogaster (Fruit fly) su(Hw) Polyclonal antibody
Uniprot No.
Target Names
su(Hw)
Alternative Names
su(Hw) antibody; CG8573 antibody; Protein suppressor of hairy wing antibody
Raised in
Rabbit
Species Reactivity
Drosophila melanogaster (Fruit fly)
Immunogen
Recombinant Drosophila melanogaster (Fruit fly) su(Hw) protein
Immunogen Species
Drosophila melanogaster (Fruit fly)
Conjugate
Non-conjugated
Clonality
Polyclonal
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Tested Applications
ELISA, WB (ensure identification of antigen)
Protocols
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Value-added Deliverables
① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);
Quality Guarantee
① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;
Lead Time
Made-to-order (14-16 weeks)

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Target Background

Function
Component of the gypsy chromatin insulator complex which is required for the function of the gypsy chromatin insulator and other endogenous chromatin insulators. Chromatin insulators are regulatory elements which establish independent domains of transcriptional activity within eukaryotic genomes. Insulators have two defining properties; they can block the communication between an enhancer and a promoter when placed between them and can also buffer transgenes from position effect variegation (PEV). Insulators are proposed to structure the chromatin fiber into independent domains of differing transcriptional potential by promoting the formation of distinct chromatin loops. This chromatin looping may involve the formation of insulator bodies, where homotypic interactions between individual subunits of the insulator complex could promote the clustering of widely spaced insulators at the nuclear periphery. Within the gypsy insulator complex, this protein binds specifically to a region of the gypsy element located 3' of the 5' long terminal repeat (LTR), and may also mediate interaction with other endogenous insulators at sites distinct from those recognized by Cp190.
Gene References into Functions
  1. Study highlights that Su(Hw) has a major developmental function as a transcriptional repressor, with the effect of its loss dependent upon the cell-specific factors. PMID: 29739818
  2. the role of the Su(Hw) protein in Drosophila oogenesis as a transcription repressor PMID: 29779102
  3. Role of Su(Hw) zinc finger 10 and interaction with CP190 and Mod(mdg4) proteins in recruiting the Su(Hw) complex to chromatin sites in Drosophila PMID: 29474480
  4. Su(Hw) genomic sites separate into sequence subclasses comprised of combinations of modules, with subclasses enriched for different chromatin features. PMID: 28158673
  5. Study of the role of Mod(mdg4)-67.2 and Su(Hw) proteins in the interaction between Su(Hw)-dependent insulator complexes and identifying the specific domains of the Su(Hw) protein required for insulation or mutual neutralization of insulators; demonstrated that the Su(Hw) protein zinc finger domain is involved in forming a functional insulator complex and cannot be replaced with the DNA-binding domain of the GAL4 protein PMID: 27599504
  6. It was demonstrated that the interaction of Su(Hw) and Mod(mdg4)-67.2 insulator proteins with the terminator regions of the selected genes was dependent on the Su(Hw) factor. PMID: 26845853
  7. loss of su(Hw) affects expression of many oogenesis related genes and down-regulates Src64B, resulting in ring canal defects potentially contributing to obstruction of molecular flow and an eventual failure of egg chamber organization. PMID: 25882370
  8. The insulator protein Suppressor of Hairy-wing is an essential transcriptional repressor in the Drosophila ovary. PMID: 23884443
  9. Completion of the first genome-wide analysis of Su(Hw)-binding sites in the ovary, shows that tissue-specific binding is not responsible for the restricted developmental requirements for Su(Hw). PMID: 22406832
  10. Accumulation of these proteins is distinct from Su(Hw), with Mod67.2 and CP190 showing uniform expression in all cells during early stages of oogenesis that diminishes in later stages PMID: 21651900
  11. Studies identify SU(HW) as a fine-tuner of genome - NL interactions. PMID: 21124834
  12. Data show that gypsy-Su(Hw) system enhanced expression levels, but did not alter the specificity of promoter activities. PMID: 20516496
  13. most Su(Hw) binding sites are largely associated with compacted chromatin and that Su (Hw) binding sites associated with open chromatin in interbands may have properties different from Su(Hw) binding sites found in condensed chromatin. PMID: 20033198
  14. Suppressor of Hairy wing and Modifier of MDG4 are involved in the transcriptional regulation of Achaete-scute PMID: 12783795
  15. Su(Hw) insulator's actions in the absence of the Mod(mdg4) protein PMID: 12856417
  16. 1A-2 is an endogenous Su(Hw) insulator that separates regulatory domains within the Drosophila genome PMID: 14597701
  17. The Su(Hw) insulator can modulate interactions between transposase complexes bound to the ends of the P transposon in germ cells. PMID: 15280241
  18. Su(Hw) insulator can stimulate transcription of a weakened yellow promoter over a distance. PMID: 15520254
  19. Analysis of interaction between the insulator Su(Hw) and the regulatory elements of the Abdominal-B gene of Drosophila melanogaster. PMID: 15584504
  20. Analysis of the effect of the Su(Hw) insulator on the expression of the miniwhite gene in Drosophila melanogaster. PMID: 15584507
  21. analysis of the role of the acid domain located at the C-terminus of the Su(Hw) protein PMID: 15846971
  22. Su(Hw) regulates an evolutionarily conserved silencer from the mouse H19 imprinting control region. PMID: 16117632
  23. Polycomb group response elements (PRE) silence neighboring genes, but silencing can be blocked by one copy of the Su(Hw) insulator element. PRE-mediated silencing can bypass two Su(Hw) insulators to repress a downstream reporter gene. PMID: 16824958
  24. These studies provide the first direct evidence that the Su(Hw) protein contributes to the regulation of gene expression in the Drosophila genome through the establishment of endogenous insulators. PMID: 16880510
  25. E(y)2/Sus1, is recruited to the Su(Hw) insulators via binding to the zinc-finger domain of Su(Hw). PMID: 17643381
  26. A mutant Mod(mdg4) protein devoid of the Q-rich domain supports the function of Su(Hw)-dependent insulators and efficiently binds to correct insulator sites on the chromosome, but does not form or enter the Su(Hw)-marked nuclear speckles. PMID: 18369369
  27. These studies extend the understanding of the properties of Su(Hw) and the endogenous genomic regions to which this protein localizes. PMID: 18562648
  28. transcription factor E(y)2/Sus1 interacted with the Su(Hw) zinc-finger domain and was present in the protein complex, associated with the Su(Hw)-dependent insulators. PMID: 19382683

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Subcellular Location
Nucleus. Chromosome. Note=Colocalizes with other elements of the gypsy chromatin insulator complex at multiple sites on polytene chromosomes and at nuclear insulator bodies.
Database Links

KEGG: dme:Dmel_CG8573

STRING: 7227.FBpp0082404

UniGene: Dm.2430

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