mitochondrial complex IV deficiency, nuclear type 19
MONDO:0033654Mondo
Findings
No curated finding names mitochondrial complex IV deficiency, nuclear type 19 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal recessive inheritance
- Onset and course
- Juvenile onset · Childhood onset
HPO, annotations 2026-09-02
Features
14 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Babinski signHPOHP:0003487
- 2 of 2 reported patients
- BradykinesiaHPOHP:0002067
- 2 of 2 reported patients
- Decreased activity of mitochondrial complex IVHPOHP:0008347
- 2 of 2 reported patients
- Developmental regressionHPOHP:0002376
- 2 of 2 reported patients · Juvenile onset
- HypokinesiaHPOHP:0002375
- 2 of 2 reported patients
- Increased circulating lactate concentrationHPOHP:0002151
- 2 of 2 reported patients
- Increased CSF alanine concentrationHPOHP:0500233
- 1 of 1 reported patient
- Increased CSF lactateHPOHP:0002490
- 1 of 1 reported patient
- Increased mitochondrial numberHPOHP:0040014
- 2 of 2 reported patients
- Motor delayHPOHP:0001270
- 2 of 2 reported patients
- HyperglycinemiaHPOHP:0002154
- 3 of 4 reported patients
- Protein-losing enteropathyHPOHP:0002243
- 1 of 2 reported patients
Show the remaining 2
- Recurrent respiratory infectionsHPOHP:0002205
- 1 of 2 reported patients
- LacticaciduriaHPOHP:0003648
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- PET117HGNC:40045
- Limited · Labcorp Genetics (formerly Invitae) · Unknown · 2021
- Limited · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
1 name
Resolves to: mitochondrial complex IV deficiency, nuclear type 19
- Also called
- MC4DN19