CpG Atlas Database
A curated DNA methylation reference integrating probe annotations, epigenetic clock membership, functional annotations, EWAS trait associations, tissue-specific patterns, and reliability metrics across Illumina methylation array platforms.
30
Tables
1.2M+
Unique CpG Probes
4
Array Platforms
81
Epigenetic Clocks
800K+
EWAS Associations
ProbeID
Primary Join Key
Columns
CpG Lookup
Enter one or more CpG probe IDs and select which tables to query.
CpG Probe ID(s)
Select Tables
Results returned separately per table
SQL Query
Write custom DuckDB SQL. Add LIMIT to large queries for faster results.
Schema Browser
• Click a table or column to insert into query
• Hover over for descriptions
✨
Natural Language to SQL
Describe your query in plain English
▶
Backend Settings
Query Editor
CpG List Analysis
Save named CpG lists and analyze their annotation patterns, enrichment, reliability, and clock relationships.
Saved Lists
Paste IDs
Load from Clock
No list selected
Save a CpG list from SQL Query or CpG Lookup, or paste probe IDs on the left, then click a list to analyze it.