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EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

2024-03-01
瀏覽次數(shù): 33

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

H3K4me3(組蛋白H3賴氨酸4三甲基化)抗體符合EpiCypher的批次特異性SNAP-Certified?標(biāo)準(zhǔn),在CUT&RUN和CUT&Tag應(yīng)用中具有特異性和高效的靶標(biāo)富集。這需要與相關(guān)組蛋白 PTMs (使用加標(biāo)對(duì)照的 SNAP-CUTANA? K-AcylStat Panel 測(cè)定,EpiCypher 19-1002)的交叉反應(yīng)性 <20%(圖1和圖5)。在不同的細(xì)胞起始條件下,一致的基因組富集結(jié)果證實(shí)了高靶標(biāo)效率:CUT&RUN中500k和50k的細(xì)胞量(圖2-3),CUT&Tag中100k和10k的細(xì)胞量(圖6-7)。即使在細(xì)胞數(shù)量減少的情況下,高效抗體也顯示出相似的峰結(jié)構(gòu)(圖3和7)和高度保守的全基因組信號(hào)(圖2和6)。該抗體靶向組蛋白H3K4me3,其在轉(zhuǎn)錄起始位點(diǎn)(TSS)附近的活性啟動(dòng)子處富集并促進(jìn)基因激活。

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產(chǎn)品詳情

產(chǎn)品名稱:H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

宿主來(lái)源:Rabbit

實(shí)驗(yàn)應(yīng)用:CUT&RUN, CUT&Tag

免疫原:A synthetic peptide corresponding to histone H3 trimethylated at lysine 4

克隆性:Monoclonal[2909-3D7]

保存溫度:自收到之日起,4℃下可穩(wěn)定儲(chǔ)存1年。


驗(yàn)證數(shù)據(jù)

—— CUT&RUN

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 1: SNAP specificity analysis in CUT&RUN

CUT&RUN was performed as described in?Figure 4. CUT&RUN sequencing reads were aligned to the unique DNA barcodes corresponding to each nucleosome in the K-MetStat panel (x-axis). Data are expressed as a percent relative to on-target recovery (H3K4me3 set to 100%). The antibody showed highly specific recovery of H3K4me3 spike-in nucleosomes at both 500k and 50k cells.

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 2: CUT&RUN genome-wide enrichment

CUT&RUN was performed as described in Figure 4. Sequence reads were aligned to 18,793 annotated transcription start sites (TSSs ± 2 kbp). Signal enrichment was sorted from highest to lowest (top to bottom) relative to the H3K4me3 - 500k cells reaction (all gene rows aligned). High, medium, and low intensity are shown in red, yellow, and blue, respectively. H3K4me3 antibodies produced the expected enrichment pattern, which was consistent between 500k and 50k cells and greater than the IgG negative control.

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 3: H3K4me3 CUT&RUN representative browser tracks

CUT&RUN was performed as described in?Figure 4. Gene browser shots were generated using the Integrative Genomics Viewer (IGV, Broad Institute). H3K4me3 antibody tracks display sharp peaks at gene promoters, consistent with the biological function of this PTM. Similar results in peak structure and location were observed for both 500k and 50k cell inputs.


EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 4: CUT&RUN methods

CUT&RUN was performed on 500k and 50k K562 cells with the SNAP-CUTANA? K-MetStat Panel (EpiCypher?19-1002) spiked-in prior to the addition of 0.5 μg of either IgG negative control (EpiCypher?13-0042) or H3K4me3 antibodies. The experiment was performed using the CUTANA? ChIC/CUT&RUN Kit v3 (EpiCypher?14-1048). Library preparation was performed with 5 ng of CUT&RUN enriched DNA (or the total amount recovered if less than 5 ng) using the CUTANA? CUT&RUN Library Prep Kit (EpiCypher?14-1001/14-1002). Both kit protocols were adapted for high throughput Tecan liquid handling. Libraries were run on an Illumina NextSeq2000 with paired-end sequencing (2x50 bp). Sample sequencing depth was 3.5 million reads (IgG 500k cell input), 4.0 million reads (IgG 50k cell input), 5.6 million reads (H3K4me3 500k cell input), and 2.8 million reads (H3K4me3 50k cell input). Data were aligned to the hg19 genome using Bowtie2. Data were filtered to remove duplicates, multi-aligned reads, and ENCODE DAC Exclusion List regions.



—— CUT&Tag

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 5: SNAP specificity analysis in CUT&Tag

CUT&Tag was performed as described in?Figure 8. CUT&Tag sequencing reads were aligned to the unique DNA barcodes corresponding to each nucleosome in the K-MetStat panel (x-axis). Data are expressed as a percent relative to on-target recovery (H3K4me3 set to 100%). The antibody showed highly specific recovery of H3K4me3 spike-in nucleosomes at both 100k and 10k nuclei.

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 6: CUT&Tag genome-wide enrichment

CUT&Tag was performed as described in?Figure 8. Sequence reads were aligned to 18,793 annotated transcription start sites (TSSs ± 2 kbp). Signal enrichment was sorted from highest to lowest (top to bottom) relative to the H3K4me3 - 100k nuclei reaction (all gene rows aligned). High, medium, and low intensity are shown in red, yellow, and blue, respectively. H3K4me3 antibodies produced the expected enrichment pattern, which was consistent between 100k and 10k nuclei and greater than the IgG negative control.

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 7: H3K4me3 CUT&Tag representative browser tracks

CUT&Tag was performed as described in?Figure 8. Gene browser shots were generated using the Integrative Genomics Viewer (IGV, Broad Institute). H3K4me3 antibody tracks display sharp peaks at gene promoters, consistent with the biological function of this PTM. Similar results in peak structure and location were observed for both 100k and 10k nuclei inputs.

EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

Figure 8: CUT&Tag methods

CUT&Tag was performed on 100k and 10k K562 nuclei with the SNAP-CUTANA? K-MetStat Panel (EpiCypher?19-1002) spiked-in prior to the addition of 0.5 μg of either IgG negative control (EpiCypher?13-0042) or H3K4me3 antibodies. The experiment was performed using the CUTANA? CUT&Tag Kit v1 (EpiCypher?14-1102/14-1103). Libraries were run on an Illumina NextSeq2000 with paired-end sequencing (2x50 bp). Sample sequencing depth was 1.3 million reads (IgG 100k nuclei input), 2.0 million reads (IgG 10k nuclei input), 6.9 million reads (H3K4me3 100k nuclei input), and 10.6 million reads (H3K4me3 10k nuclei input). Data were aligned to the hg19 genome using Bowtie2. Data were filtered to remove duplicates, multi-aligned reads, and ENCODE DAC Exclusion List regions.


訂購(gòu)詳情

貨號(hào)

產(chǎn)品名稱

規(guī)格

13-0060

H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

100 μg

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EpiCypher新品推薦——H3K4me3 Antibody, SNAP-Certified? for CUT&RUN and CUT&Tag

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