# early-onset Parkinson disease 20

> early-onset Parkinson disease that has material basis in homozygous mutation in the SYNJ1 gene on chromosome 21q22

**Wikidata**: [Q32136880](https://www.wikidata.org/wiki/Q32136880)  
**Source**: https://4ort.xyz/entity/early-onset-parkinson-disease-20


## References

1. Monarch Disease Ontology release 2018-06-29
2. Disease Ontology
3. UniProt
4. The Sac1 Domain of SYNJ 1 Identified Mutated in a Family with Early‐Onset Progressive P arkinsonism with Generalized Seizures
5. Mutation in theSYNJ1Gene Associated with Autosomal Recessive, Early-Onset Parkinsonism
6. [Identifiers.org](https://registry.identifiers.org/registry/doid)