QC Report


general
Report generated at2021-03-26 07:59:38
Titlerunx1_k562_2
Descriptionchipseq of runx1_k562_2
Pipeline versionv1.3.6
Pipeline typetf
Genomehg38
Alignerbowtie2
Sequencing endedness{'rep1': {'paired_end': False}, 'rep2': {'paired_end': False}, 'ctl1': {'paired_end': False}, 'ctl2': {'paired_end': False}}
Peak callermacs2

Alignment quality metrics


SAMstat (raw unfiltered BAM)

rep1rep2ctl1ctl2
Total Reads30012916228805164462963751514306
Total Reads (QC-failed)0000
Duplicate Reads0000
Duplicate Reads (QC-failed)0000
Mapped Reads28849345222195294343542150089389
Mapped Reads (QC-failed)0000
% Mapped Reads96.197.197.397.2
Paired Reads0000
Paired Reads (QC-failed)0000
Read10000
Read1 (QC-failed)0000
Read20000
Read2 (QC-failed)0000
Properly Paired Reads0000
Properly Paired Reads (QC-failed)0000
% Properly Paired Reads0.00.00.00.0
With itself0000
With itself (QC-failed)0000
Singletons0000
Singletons (QC-failed)0000
% Singleton0.00.00.00.0
Diff. Chroms0000
Diff. Chroms (QC-failed)0000

Marking duplicates (filtered BAM)

rep1rep2ctl1ctl2
Unpaired Reads23345048186917223585833241995892
Paired Reads0000
Unmapped Reads0000
Unpaired Duplicate Reads87571955752010507281236726
Paired Duplicate Reads0000
Paired Optical Duplicate Reads0000
% Duplicate Reads3.75122.98272.93022.9449

Filtered out (samtools view -F 1804):


SAMstat (filtered/deduped BAM)

rep1rep2ctl1ctl2
Total Reads23345048186917223585833241995892
Total Reads (QC-failed)0000
Duplicate Reads0000
Duplicate Reads (QC-failed)0000
Mapped Reads23345048186917223585833241995892
Mapped Reads (QC-failed)0000
% Mapped Reads100.0100.0100.0100.0
Paired Reads0000
Paired Reads (QC-failed)0000
Read10000
Read1 (QC-failed)0000
Read20000
Read2 (QC-failed)0000
Properly Paired Reads0000
Properly Paired Reads (QC-failed)0000
% Properly Paired Reads0.00.00.00.0
With itself0000
With itself (QC-failed)0000
Singletons0000
Singletons (QC-failed)0000
% Singleton0.00.00.00.0
Diff. Chroms0000
Diff. Chroms (QC-failed)0000

Filtered and duplicates removed


Sequence quality metrics (filtered/deduped BAM)

rep1
rep1
rep2
rep2

Open chromatin assays are known to have significant GC bias. Please take this into consideration as necessary.


Library complexity quality metrics


Library complexity (filtered non-mito BAM)

rep1rep2ctl1ctl2
Total Fragments23199619185227403535173041255400
Distinct Fragments22447948181113073478459340736002
Positions with Two Read699321389333519095481469
NRF = Distinct/Total0.96760.9777880.9839570.98741
PBC1 = OneRead/Distinct0.9677850.9779720.9846920.987919
PBC2 = OneRead/TwoRead31.06555245.49409665.98428483.585612

Mitochondrial reads are filtered out by default. The non-redundant fraction (NRF) is the fraction of non-redundant mapped reads in a dataset; it is the ratio between the number of positions in the genome that uniquely mapped reads map to and the total number of uniquely mappable reads. The NRF should be > 0.8. The PBC1 is the ratio of genomic locations with EXACTLY one read pair over the genomic locations with AT LEAST one read pair. PBC1 is the primary measure, and the PBC1 should be close to 1. Provisionally 0-0.5 is severe bottlenecking, 0.5-0.8 is moderate bottlenecking, 0.8-0.9 is mild bottlenecking, and 0.9-1.0 is no bottlenecking. The PBC2 is the ratio of genomic locations with EXACTLY one read pair over the genomic locations with EXACTLY two read pairs. The PBC2 should be significantly greater than 1. See more details at the ENCODE portal standard for ChIP-Seq pipeline


NRF (non redundant fraction)
PBC1 (PCR Bottleneck coefficient 1)
PBC2 (PCR Bottleneck coefficient 2)
PBC1 is the primary measure. Provisionally


Replication quality metrics


IDR (Irreproducible Discovery Rate) plots

rep1_vs_rep2
rep1_vs_rep2
rep1-pr1_vs_rep1-pr2
rep1-pr1_vs_rep1-pr2
rep2-pr1_vs_rep2-pr2
rep2-pr1_vs_rep2-pr2
pooled-pr1_vs_pooled-pr2
pooled-pr1_vs_pooled-pr2

Reproducibility QC and peak detection statistics

overlapidr
Nt272491788
N1227541123
N221952329
Np367183010
N optimal367183010
N conservative272491788
Optimal Setpooled-pr1_vs_pooled-pr2pooled-pr1_vs_pooled-pr2
Conservative Setrep1_vs_rep2rep1_vs_rep2
Rescue Ratio1.34749899078865281.6834451901565997
Self Consistency Ratio1.03653425655976683.4133738601823707
Reproducibility Testpassborderline

Reproducibility QC


Number of raw peaks

rep1rep2
Number of peaks215823182834

Top 500000 raw peaks from macs2 with p-val threshold 0.01

Peak calling statistics


Peak region size

rep1rep2idr_optoverlap_opt
Min size110.075.092.092.0
25 percentile110.075.0199.0135.0
50 percentile (median)131.079.0271.0178.0
75 percentile174.0114.0374.0252.0
Max size3032.01925.02999.02999.0
Mean155.1023245900576101.27295798374482312.9737541528239210.89487444849937

rep1
rep1
rep2
rep2
idr_opt
idr_opt
overlap_opt
overlap_opt

Enrichment / Signal-to-noise ratio


Strand cross-correlation measures (trimmed/filtered SE BAM)

rep1rep2
Number of Subsampled Reads1500000015000000
Estimated Fragment Length11075
Cross-correlation at Estimated Fragment Length0.1861593644563180.184217440345149
Phantom Peak5550
Cross-correlation at Phantom Peak0.1842690.1838287
Argmin of Cross-correlation15001500
Minimum of Cross-correlation0.17431430.1736365
NSC (Normalized Strand Cross-correlation coeff.)1.0679531.060937
RSC (Relative Strand Cross-correlation coeff.)1.1898931.038137


Performed on subsampled (15000000) reads mapped from FASTQs that are trimmed to 50. Such FASTQ trimming and subsampling reads are for cross-corrleation analysis only. Untrimmed FASTQs are used for all the other analyses.

NOTE1: For SE datasets, reads from replicates are randomly subsampled to 15000000.
NOTE2: For PE datasets, the first end (R1) of each read-pair is selected and trimmed to 50 the reads are then randomly subsampled to 15000000.


rep1
rep1
rep2
rep2

Jensen-Shannon distance (filtered/deduped BAM)

rep1rep2
AUC0.201568822496523080.21641091524630007
Synthetic AUC0.48972887205475480.48853027075412603
X-intercept0.247413879281044440.22344202970989863
Synthetic X-intercept1.9884260907950303e-802.7450045460861697e-64
Elbow Point0.6282064098206610.6639462582721875
Synthetic Elbow Point0.497139796070716340.5092306120553107
JS Distance0.08649670134797270.06893302370318925
Synthetic JS Distance0.33289694686397940.31393212561347944
% Genome Enriched36.24327728572285431.201191594857747
Diff. Enrichment22.30220672526936518.62291933141893
CHANCE Divergence0.206574541983680280.16417556672790695

Peak enrichment


Fraction of reads in peaks (FRiP)

FRiP for macs2 raw peaks

rep1rep2rep1-pr1rep2-pr1rep1-pr2rep2-pr2pooledpooled-pr1pooled-pr2
Fraction of Reads in Peaks0.104463096413423520.074530372322036460.09131658242895880.108864234124603390.0912023826209310.108567097242297960.095877157069870020.091964487281016120.09193194434301208

FRiP for overlap peaks

rep1_vs_rep2rep1-pr1_vs_rep1-pr2rep2-pr1_vs_rep2-pr2pooled-pr1_vs_pooled-pr2
Fraction of Reads in Peaks0.0253459530786975320.02366009271002570.0178028541190586930.029067147642409252

FRiP for IDR peaks

rep1_vs_rep2rep1-pr1_vs_rep1-pr2rep2-pr1_vs_rep2-pr2pooled-pr1_vs_pooled-pr2
Fraction of Reads in Peaks0.0049142691029781790.00356897959687210760.00173509963394490890.006925841352701456

For macs2 raw peaks:


For overlap/IDR peaks: