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p300 Antibodies

(E1A Binding Protein P300 (EP300))

Choose one of 105 p300 antibodies from our product listing based on 7 publications and 55 validation images.

Explore reliable p300 antibodies from a broad selection of renowned manufacturers. Our portfolio enables accurate p300 detection across multiple species, including Human, Mouse, Rat, Zebrafish (Danio rerio), Chicken, Cow, Dog, Mink, Monkey, Pig, and supports diverse research applications such as WB, ELISA, IHC, DB, IHC (p).

Quickly find the right antibody using our search, filter, and comparison tools. Each product page provides detailed validation data, literature references, and customer feedback. Unlike comparison-only resources, you can conveniently purchase antibodies directly through our site. Choose from polyclonal, monoclonal, or recombinant p300 antibodies derived from various hosts such as Rabbit, Mouse. Browse our products below and order directly to support your research with confidence.

Alternative names for p300 are EP300, LOC446056, ep300, Ep300.

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105 results

p300 antibody (pSer1834) (AbBy Fluor® 680)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 680
Catalog No. ABIN5001982
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (AbBy Fluor® 594)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 594
Catalog No. ABIN2812823
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (AbBy Fluor® 350)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 350
Catalog No. ABIN874621
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (AbBy Fluor® 647)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 647
Catalog No. ABIN874619
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (AbBy Fluor® 555)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 555
Catalog No. ABIN874618
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (AbBy Fluor® 488)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal AbBy Fluor® 488
Catalog No. ABIN874622
-15% Promotion 2026
$389.69
$458.46
save $68.77 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (HRP)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, ELISA, IHC (p), IHC (fro) Host: Rabbit Polyclonal HRP
Catalog No. ABIN800622
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (FITC)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal FITC
Catalog No. ABIN800620
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (Cy7)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy7
Catalog No. ABIN800619
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (Cy5.5)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy5.5
Catalog No. ABIN800618
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (Cy5)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy5
Catalog No. ABIN800617
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (pSer1834) (Cy3)
EP300 Reactivity: Human, Mouse, Zebrafish (Danio rerio) WB, IF (cc), IF (p) Host: Rabbit Polyclonal Cy3
Catalog No. ABIN800616
-15% Promotion 2026
$399.89
$470.46
save $70.57 (-15 %)
Plus shipping costs $50.00
100 μL
Shipping to: United States
Delivery in 11 to 16 Business Days
Details
Details
 
p300 antibody (AA 950-1000)
EP300 Reactivity: Human IHC Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN7448706
-15% Promotion 2026
$452.85
$532.77
save $79.92 (-15 %)
Plus shipping costs $50.00
10 μg (More quantities available)
Shipping to: United States
Delivery in 3 to 4 Business Days
Details
Details
 
p300 antibody (AA 950-1000)
EP300 Reactivity: Human WB, IP, IHC (fp) Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN7454616
-15% Promotion 2026
$457.43
$538.15
save $80.72 (-15 %)
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 3 to 4 Business Days
Details
Details
 
p300 antibody (AA 1000-1050)
EP300 Reactivity: Human WB, IP, IHC (fp) Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN7454617
-15% Promotion 2026
$457.43
$538.15
save $80.72 (-15 %)
Plus shipping costs $50.00
100 μg (More quantities available)
Shipping to: United States
Delivery in 3 to 4 Business Days
Details
Details
 
p300 antibody (pSer89)
EP300 Reactivity: Human WB, IHC, IHC (p), DB Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN1840224
-15% Promotion 2026
$546.66
$643.13
save $96.47 (-15 %)
Plus shipping costs $50.00
400 μL
Shipping to: United States
Delivery in 11 to 14 Business Days
Details
Details
 
p300 antibody (Glu83)
EP300 Reactivity: Human, Mouse, Rat WB, IHC Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN2891801
-15% Promotion 2026
$560.38
$659.27
save $98.89 (-15 %)
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 11 to 14 Business Days
Details
Details
 
p300 antibody (Val6)
EP300 Reactivity: Human WB, IHC, IHC (p) Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN2891869
-15% Promotion 2026
$560.38
$659.27
save $98.89 (-15 %)
Plus shipping costs $50.00
100 μL (More quantities available)
Shipping to: United States
Delivery in 11 to 14 Business Days
Details
Details
 
p300 antibody (pThr2446)
EP300 Reactivity: Human WB, ELISA Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN5618474
-15% Promotion 2026
$867.14
$1,020.17
save $153.03 (-15 %)
Plus shipping costs $50.00
100 μg
Shipping to: United States
Delivery in 9 to 11 Business Days
Details
Details
 
p300 antibody (N-Term)
EP300 Reactivity: Human WB, IHC, ELISA Host: Rabbit Polyclonal unconjugated
Catalog No. ABIN2140669
-15% Promotion 2026
$867.25
$1,020.30
save $153.05 (-15 %)
Plus shipping costs $50.00
1 mg
Shipping to: United States
Delivery in 9 to 11 Business Days
Details
Details
 
show more results
  • Type Primary
    • Primary
  • Application
    • Western Blotting (WB)
    • ELISA
    • Immunohistochemistry (IHC)
    • Dot Blot (DB)
    • Immunohistochemistry (Paraffin-embedded Sections) (IHC (p))
    • Immunofluorescence (Cultured Cells) (IF (cc))
    • Immunofluorescence (Paraffin-embedded Sections) (IF (p))
    • Immunofluorescence (IF)
    • Immunoprecipitation (IP)
    • Immunocytochemistry (ICC)
    • Immunohistochemistry (Frozen Sections) (IHC (fro))
    • Chromatin Immunoprecipitation (ChIP)
    • ChIP DNA-Sequencing (ChIP-seq)
    • Immunohistochemistry (Formalin-fixed Paraffin-embedded Sections) (IHC (fp))
    • Enzyme Immunoassay (EIA)
    • Flow Cytometry (FACS)
    • Immunochromatography (IC)
    • Proximity Ligation Assay (PLA)
    • Immunofluorescence (fixed cells) (IF/ICC)
  • Reactivity
    • Human
    • Mouse
    • Rat
    • Zebrafish (Danio rerio)
    • Chicken
    • Cow
    • Dog
    • Mink
    • Monkey
    • Pig
  • Cited in publications
  • Images available
  • Preservative free only
  • Carrier free only
  • Host
    • Rabbit
    • Mouse
  • Clonality
    • Polyclonal
    • Monoclonal
  • Clone
    • 1B1
    • 9G412
    • AC240
    • NM11
    • RB08095
    • RB41431
    • RB58228
    • RB7876
    • RW128
    • SAA0246
  • Binding Specificity
    • pSer1834
    • pSer89
    • AA 2283-2414
    • N-Term
    • AA 731-830
    • AA 950-1000
    • C-Term
    • AA 1-50
    • AA 1000-1050
    • AA 55-104
    • acLys1542
    • acLys1558
    • acLys1560
    • AA 1-158
    • AA 1351-1601
    • AA 1451-1600
    • AA 1572-2371
    • AA 1807-1841
    • AA 2065-2414
    • AA 2124-2394
    • AA 2124-2397
    • AA 51-150
    • AA 731-831
    • Glu83
    • Internal Region
    • Middle Region
    • Ser1834
    • Ser89
    • Val6
    • pThr2446
  • Conjugate
    • Un-conjugated
    • Biotin
    • FITC
    • HRP
    • APC
    • PE
    • AbBy Fluor® 350
    • AbBy Fluor® 488
    • AbBy Fluor® 555
    • AbBy Fluor® 594
    • AbBy Fluor® 647
    • AbBy Fluor® 680
    • AbBy Fluor® 750
    • Alexa Fluor 488
    • Alexa Fluor 555
    • Alexa Fluor 594
    • Alexa Fluor 647
    • Alexa Fluor 680
    • Alexa Fluor 750
    • Cy3
    • Cy5
    • Cy5.5
    • Cy7
  • Isotype
    • IgG
    • IgG1
    • Ig Fraction
    • IgG1 kappa
    • IgG3
  • Format
    • Liquid
    • Lyophilized
  • Grade
    • ChIP-seq Grade
  • Supplier
    • antibodies-online
    • Signalway
    • Abbexa
    • Assay Biotechnology Company, Inc.
    • Cohesion Biosciences
    • Boster Bio
    • ProteoGenix
    • Acris
    • Biomatik
    • Covalab
    • Diagenode
    • Rockland
    • USBio

Latest Publications for our p300 Antibodies

Latorre-Muro, Baeza, Armstrong, Hurtado-Guerrero, Corzana, Wu, Sinclair, López-Buesa, Carrodeguas, Denu: "Dynamic Acetylation of Phosphoenolpyruvate Carboxykinase Toggles Enzyme Activity between Gluconeogenic and Anaplerotic Reactions." in: Molecular cell, Vol. 71, Issue 5, pp. 718-732.e9, (2019) (PubMed).

Dhar, Zhao, Lin, Gu, Pal, Wu, Alam, Lv, Yun, Gopalakrishnan, Flores, Northcott, Rajaram, Li, Shilatifard, Sillitoe, Chen, Lee: "MLL4 Is Required to Maintain Broad H3K4me3 Peaks and Super-Enhancers at Tumor Suppressor Genes." in: Molecular cell, Vol. 70, Issue 5, pp. 825-841.e6, (2018) (PubMed).

Xiao, Ye, Zhou, Huang, Liu, Huang, Zhu, Wu, Zhang, Cai: "Baicalin inhibits pressure overload-induced cardiac fibrosis through regulating AMPK/TGF-β/Smads signaling pathway." in: Archives of biochemistry and biophysics, Vol. 640, pp. 37-46, (2018) (PubMed).

Lee, Huang, Chang, Huang, Hsieh, Chen, Chou, Chiang, Lai, Shiau: "Genome-wide analysis of HIF-2α chromatin binding sites under normoxia in human bronchial epithelial cells (BEAS-2B) suggests its diverse functions." in: Scientific reports, Vol. 6, pp. 29311, (2016) (PubMed).

Luo, Chen, Chen, Alkam, Wang, Semenza: "PRDX2 and PRDX4 are negative regulators of hypoxia-inducible factors under conditions of prolonged hypoxia." in: Oncotarget, Vol. 7, Issue 6, pp. 6379-97, (2016) (PubMed).

Paladino, Yue, Furuya, Acoba, Rosser, Turkson: "A novel nuclear Src and p300 signaling axis controls migratory and invasive behavior in pancreatic cancer." in: Oncotarget, Vol. 7, Issue 6, pp. 7253-67, (2016) (PubMed).

Zhang, Zhang, Xiao, Liu, Wang, Gao, Rong, Yao, Li, Xu: "The peroxisome proliferator-activated receptor γ agonist pioglitazone prevents NF-κB activation in cisplatin nephrotoxicity through the reduction of p65 acetylation via the AMPK-SIRT1/p300 pathway." in: Biochemical pharmacology, Vol. 101, pp. 100-11, (2016) (PubMed).

Aubry, Shin, Crary, Lefort, Qureshi, Lefebvre, Califano, Shelanski: "Assembly and interrogation of Alzheimer's disease genetic networks reveal novel regulators of progression." in: PLoS ONE, Vol. 10, Issue 3, pp. e0120352, (2015) (PubMed).

Yi, Wang, Feng, Pintilie, Foulds, Lanz, Ludtke, Schmid, Chiu, OMalley: "Structure of a biologically active estrogen receptor-coactivator complex on DNA." in: Molecular cell, Vol. 57, Issue 6, pp. 1047-58, (2015) (PubMed).

He, Zheng, Zhang, Zhang, Wang, Yang, Sun, Wu, Wen: "KLF4 mediates the link between TGF-β1-induced gene transcription and H3 acetylation in vascular smooth muscle cells." in: FASEB journal : official publication of the Federation of American Societies for Experimental Biology, Vol. 29, Issue 9, pp. 4059-70, (2015) (PubMed).

Aliases for p300 Antibodies

E1A binding protein p300 (EP300) Antibodies
histone acetyltransferase p300 (LOC446056) Antibodies
E1A binding protein p300 (ep300) Antibodies
E1A binding protein p300 (Ep300) Antibodies
A430090G16 Antibodies
A730011L11 Antibodies
KAT3B Antibodies
p300 Antibodies
p300 HAT Antibodies
RSTS2 Antibodies

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