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SAB4200591

Sigma-Aldrich

Anti-unmodified-Histone H3 (Lys9) antibody, Mouse monoclonal

clone 9B1-2G6, purified from hybridoma cell culture

Synonym(s):

Anti-HIST1H3A H3FA, Anti-HIST1H3B H3FL, Anti-HIST1H3C H3FC, Anti-HIST1H3D H3FB, Anti-HIST1H3E H3FD, Anti-HIST1H3F H3FI, Anti-HIST1H3G H3FH, Anti-HIST1H3H H3FK, Anti-HIST1H3I H3FF, Anti-HIST1H3J H3FJ, Anti-HIST2H3A, Anti-HIST2H3C H3F2 H3FM, Anti-HIST2H3D, Monoclonal Anti-unmodified-Histone H3 (Lys9) antibody produced in mouse

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

mouse

Quality Level

200

antibody form

purified from hybridoma cell culture

antibody product type

primary antibodies

clone

9B1-2G6, monoclonal

form

buffered aqueous solution

mol wt

antigen ~17 kDa

species reactivity

human

concentration

~1 mg/mL

technique(s)

immunoblotting: 2-4 μg/mL using histones isolated from human HeLa cells
immunofluorescence: 2-4 μg/mL using human HeLa cells

isotype

IgG1

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... H3C1(8350)

Related Categories

General description

Monoclonal Anti-unmodified-Histone H3 (Lys9 ) (mouse IgG1 isotype) is derived from the hybridoma 9B1-2G6 produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with a peptide. Histone H3 is a core component of histone octamer of nucleosome along with other histones H4, H2A and H2B. Histone H3 comprises lysine and arginine residues in the N-terminal region. Conserved lysine residues in the N-terminal tail domains of histone H3 comprise theLys4, Lys9 and Lys27, which are the preferred sites of methylation.

Specificity

Monoclonal Anti-unmodified-Histone H3 (Lys9 ) recognizes human unmodified-Histone H3 (Lys9 ) (nontested in other species). This antibody also binds to peptides containing mono-, and di-methyl-Lys4 and acetyl-Lys14 of Histone H3. It does not bind to peptides containing mono-, di-, and tri-methyl-Lys9 and acetylLys9 of Histone H3.

Immunogen

Peptide corresponding to amino acids surrounding Lys9 of human Histone H3, conjugated to KLH.

Application

Monoclonal Anti-unmodified-Histone H3 (Lys9) antibody produced in mouse has been used in:
  • immunostaining
  • immunoblotting
  • immunofluorescence

Biochem/physiol Actions

Histones are subjected to extensive covalent modifications, including phosphorylation, methylation, acetylation and ubiquitination. These modifications are thought to play an important role in development and cancer. Histone H3 methylation at Lys9 is a modification intrinsically linked to epigenetic silencing and heterochromatin assembly. Histone methylation, as like acetylation, is a complex, dynamic process involving several processes, including transcriptional regulation, chromatin condensation, mitosis, and heterochromatin assembly. Moreover, lysine residues can be mono-, di-, and tri-methylated, adding further complexity to the regulation of chromatin structure.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2-8°C for up to one month. For extended storage,freeze at -20oC in working aliquots. Repeated freezing and thawing,or storage in “frost-free” freezers,is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

常规特殊物品

Certificates of Analysis (COA)

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Modification of maternally defined H3K4me3 regulates the inviability of interspecific Xenopus hybrids.
Long, et al.
Science Advances, 9, eadd8343-eadd8343 (2023)
Dynamic changes in histone H3 Lys 9 methylation occurring at tightly regulated inducible inflammatory genes
Saccani S and Natoli G
Genes & Development, 16(17), 2219-2224 (2002)
DNA, histones and neutrophil extracellular traps exert anti-fibrinolytic effects in a plasma environment
Varju I, et al.
Thrombosis and Haemostasis, 113(6), 1289-1298 (2015)
Cancer epigenetics: from mechanism to therapy
Dawson M A and Kouzarides T
Cell, 150(1), 12-27 (2012)
Chromatin modifications and their function
Kouzarides, Tony
Cell, 128(4), 693-705 (2007)
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