mitochondrial complex 2 deficiency, nuclear type 2
MONDO:0030935Mondo
Findings
No curated finding names mitochondrial complex 2 deficiency, nuclear type 2 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
- Infantile onset
HPO, annotations 2026-09-02
Features
6 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.
- Developmental regressionHPOHP:0002376
- 7 of 7 reported patients
- LeukoencephalopathyHPOHP:0002352
- 6 of 6 reported patients
- Spastic tetraplegiaHPOHP:0002510
- 7 of 7 reported patients
- Growth delayHPOHP:0001510
- 6 of 7 reported patients
- IrritabilityHPOHP:0000737
- 3 of 7 reported patients
- Reduced brain N-acetyl aspartate level by MRSHPOHP:0012708
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.
- SDHAF1HGNC:33867
- Definitive · G2P · Autosomal recessive · 2015
- Strong · PanelApp Australia · Autosomal recessive · 2025
Where it sits
Other names
2 names
Resolves to: mitochondrial complex 2 deficiency, nuclear type 2
- Also called
- MC2DN2mitochondrial complex II deficiency, nuclear type 2