chromatin-regulation

Standardize ATAC-seq, ChIP-seq, and CUT&Tag analysis with peak calling and differential binding.

29|3|Updated Jun 11, 2026
One-click install
npx skills add https://github.com/inflexa-ai/inflexa --skill chromatin-regulation
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: chromatin-regulation
Source: https://github.com/inflexa-ai/inflexa/tree/main/skills/chromatin-regulation
Command: npx skills add https://github.com/inflexa-ai/inflexa --skill chromatin-regulation

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires rpy2, pybedtools, pyBigWig, pysam, numpy, pandas, matplotlib, and includes references (resource) components.

What problem does it solve?

This skill addresses the complexity of processing high-throughput sequencing data for chromatin accessibility and protein binding, ensuring reproducible analysis from aligned reads to differential binding results.

Core Features & Use Cases

  • Unified Analysis Pipeline: Provides standardized workflows for ATAC-seq, ChIP-seq, and CUT&Tag/CUT&Run, including mandatory Tn5 correction and spike-in normalization.
  • Differential Binding & Motif Discovery: Enables robust statistical comparison of binding sites across conditions and identification of transcription factor motifs.
  • Signal Visualization: Facilitates the generation of normalized bigWig tracks and publication-quality heatmaps or profile plots for genomic regions.

Quick Start

Use the chromatin-regulation skill to perform differential binding analysis on the provided ATAC-seq BAM files and generate a volcano plot of the results.

Frequently Asked Questions about chromatin-regulation

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I perform differential binding analysis on ATAC-seq and ChIP-seq data?

Differential binding analysis for ATAC-seq and ChIP-seq is performed by integrating R-based DiffBind statistics with Python interval operations to compare binding sites across conditions and generate volcano plots.

What is the best way to generate normalized bigWig signal tracks from CUT&Tag assays?

Generating normalized bigWig tracks from CUT&Tag involves applying mandatory spike-in normalization and processing aligned reads with pyBigWig to produce publication-quality signal visualizations.

Can I use pybedtools and pysam for end-to-end chromatin accessibility peak calling?

Yes, pybedtools and pysam support end-to-end chromatin accessibility workflows by handling aligned read processing and genomic interval operations for standardized peak calling across sequencing assays.

Does this workflow support motif enrichment analysis after identifying differential binding sites?

Motif enrichment analysis is fully supported after identifying differential binding sites, enabling robust discovery of transcription factor motifs within the standardized chromatin accessibility pipeline.

How do I apply Tn5 correction when analyzing chromatin accessibility data?

Tn5 correction is applied as a mandatory step within the unified chromatin accessibility analysis pipeline to standardize ATAC-seq read processing before downstream peak calling.

Are there limitations when integrating R-based DiffBind with Python for chromatin analysis?

Integrating R-based DiffBind with Python requires rpy2 to bridge environments, ensuring reproducible bioinformatics pipelines for chromatin analysis without leaving the Python ecosystem.