Sample information curated by ChIP-Atlas

Antigen

Antigen Class
TFs and others
Antigen
STAG1

Cell type

Cell type Class
Breast
Cell type
MCF 10A
Primary Tissue
Breast
Tissue Diagnosis
Fibrocystic Disease

Attributes by original data submitter

Sample

source_name
breast
tissue
breast
cell line
MCF10A
cell type
epithelial
chip antibody
STAG1, custom made
treatment
CTCF siRNA

Sequenced DNA Library

library_name
GSM6675535
library_strategy
ChIP-Seq
library_source
GENOMIC
library_selection
ChIP
library_construction_protocol
Cells were fixed for 15 min in 1% formaldehyde and after quenchig and lysis, sonication with performed in Covaris instrument. Around 50 micrograms of antibody was added to immunoprecipitate chromatin from 10 million cells. 5% mouse ES cell chromatin was added for calibration. At least 5 ng of DNA were processed through subsequent enzymatic treatments with "NEBNext Ultra II FS DNA Library Prep Kit for Illumina" from New England BioLabs (ref. E7805). Briefly, a short fragmentation of 10 min was followed by end-repair, dA-tailing, and ligation to adapters. Adapter-ligated libraries were completed by limited-cycle PCR (8-12 cycles). Resulting average fragment size is 300 bp from which 120 bp correspond to adaptor sequences. Libraries were applied to an Illumina flow cell for cluster generation and sequenced on Illumina NextSeq 500 (with v2.5 reagent kits) following manufacturer's recommendations.

Sequencing Platform

instrument_model
NextSeq 550

hg38

Number of total reads
30006690
Reads aligned (%)
94.7
Duplicates removed (%)
4.9
Number of peaks
14915 (qval < 1E-05)

hg19

Number of total reads
30006690
Reads aligned (%)
94.0
Duplicates removed (%)
5.8
Number of peaks
14946 (qval < 1E-05)

Base call quality data from DBCLS SRA