# cyclin/CDK positive transcription elongation factor complex

> complex that facilitates the transition from abortive to productive elongation by phosphorylating the CTD domain of the large subunit of DNA-directed RNA polymerase II, holoenzyme

**Wikidata**: [Q15314917](https://www.wikidata.org/wiki/Q15314917)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/P-TEFb)  
**Source**: https://4ort.xyz/entity/cyclin-cdk-positive-transcription-elongation-factor-complex


## References

1. Gene Ontology release 2019-10-07
2. UMLS 2023
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)