# DNA methylation

> the covalent transfer of a methyl group to either N-6 of adenine or C-5 or N-4 of cytosine

**Wikidata**: [Q874745](https://www.wikidata.org/wiki/Q874745)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/DNA_methylation)  
**Source**: https://4ort.xyz/entity/dna-methylation


## References

1. Gene Ontology release 2019-10-07
2. Freebase Data Dumps. 2013
3. YSO-Wikidata mapping project
4. BabelNet
5. UMLS 2023
6. Quora
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)