# GTP cyclohydrolase I deficiency
**Wikidata**: [Q54889350](https://www.wikidata.org/wiki/Q54889350)  
**Source**: https://4ort.xyz/entity/gtp-cyclohydrolase-i-deficiency


## References

1. Monarch Disease Ontology release 2018-06-29
2. UniProt
3. A missense mutation in a patient with guanosine triphosphate cyclohydrolase I deficiency missed in the newborn screening program