type: position_score table: filename: ENCFF941FZG.tabix.bed.gz header_mode: none zero_based: true format: tabix chrom: column_index: 0 pos_begin: column_index: 1 pos_end: column_index: 2 scores: - id: Histone_ChIP-seq_ENCSR546SDM column_index: 3 type: float desc: signal histogram: type: number number_of_bins: 100 meta: summary: 'ChIP-seq ENCSR546SDM [TISSUE: Homo sapiens CD4-positive, alpha-beta T cell, TARGET: H3K27ac]' description: "**status**: released\n\n**biological\\_replicates**: Rep 2\n\n**summary**:\ \ \n\n**output\\_type**: pseudoreplicated peaks\n\n**audit\\_internal\\_action**:\ \ Released analysis {ENCAN097LNN|/analyses/ENCAN097LNN/} has in progress subobject\ \ quality standard {encode4-histone-chip|/quality-standards/encode4-histone-chip/}\n\ \n**audit\\_warning**: Processed redacted alignments file {ENCFF058CQG|/files/ENCFF058CQG/}\ \ processed by ChIP-seq ENCODE4 v1.7.0 GRCh38 pipeline has 16419250 usable fragments.\ \ The minimum ENCODE standard for each replicate in a ChIP-seq experiment targeting\ \ H3K27ac-human and investigated as a narrow histone mark is 10 million usable\ \ fragments. The recommended value is > 20 million, but > 10 million is acceptable.\ \ (See {ENCODE ChIP-seq data standards|/data-standards/chip-seq/})\n\n**audit\\\ _warning**: PBC1 (PCR Bottlenecking Coefficient 1, M1/M\\_distinct) is the ratio\ \ of the number of genomic locations where exactly one read maps uniquely (M1)\ \ to the number of genomic locations where some reads map (M\\_distinct). A PBC1\ \ value in the range 0 - 0.5 is severe bottlenecking, 0.5 - 0.8 is moderate bottlenecking,\ \ 0.8 - 0.9 is mild bottlenecking, and > 0.9 is no bottlenecking. PBC1 value >\ \ 0.9 is recommended, but > 0.8 is acceptable. ENCODE processed redacted alignments\ \ file {ENCFF058CQG|/files/ENCFF058CQG/} processed by ChIP-seq ENCODE4 v1.7.0\ \ GRCh38 pipeline was generated from a library with PBC1 value of 0.88.\n\n**audit\\\ _warning**: PBC2 (PCR Bottlenecking Coefficient 2, M1/M2) is the ratio of the\ \ number of genomic locations where exactly one read maps uniquely (M1) to the\ \ number of genomic locations where two reads map uniquely (M2). A PBC2 value\ \ in the range 0 - 1 is severe bottlenecking, 1 - 3 is moderate bottlenecking,\ \ 3 - 10 is mild bottlenecking, > 10 is no bottlenecking. PBC2 value > 10 is recommended,\ \ but > 3 is acceptable. ENCODE processed redacted alignments file {ENCFF058CQG|/files/ENCFF058CQG/}\ \ processed by ChIP-seq ENCODE4 v1.7.0 GRCh38 pipeline was generated from a library\ \ with PBC2 value of 8.51." labels: reference_genome: hg38/genomes/GRCh38-hg38 accession: ENCSR546SDM status: released assay_term_name: ChIP-seq simple_biosample_summary: '' biosample_summary: Homo sapiens CD4-positive, alpha-beta T cell replication_type: unreplicated biosample_ontology: /biosample-types/primary_cell_CL_0000624/ perturbed: false doi: 10.17989/ENCSR546SDM date_created: '2015-09-15T19:48:26.878386+00:00' date_released: '2013-07-31' submitter_comment: The raw data for this donor is unavailable to the ENCODE consortium. target: H3K27ac