combined oxidative phosphorylation deficiency 56
MONDO:0859323Mondo
Findings
No curated finding names combined oxidative phosphorylation deficiency 56 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
- Congenital onset
HPO, annotations 2026-09-02
Features
20 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.
- AreflexiaHPOHP:0001284
- 2 of 2 reported patients
- Decreased activity of mitochondrial complex IHPOHP:0011923
- 2 of 2 reported patients
- Decreased activity of mitochondrial complex IVHPOHP:0008347
- 2 of 2 reported patients
- Delayed gross motor developmentHPOHP:0002194
- 1 of 1 reported patient
- Elevated circulating creatine kinase activityHPOHP:0003236
- 2 of 2 reported patients
- Global developmental delayHPOHP:0001263
- 3 of 3 reported patients
- HypotoniaHPOHP:0001252
- 3 of 3 reported patients
- LethargyHPOHP:0001254
- 3 of 3 reported patients
- Proximal muscle weaknessHPOHP:0003701
- 2 of 2 reported patients
- PtosisHPOHP:0000508
- 3 of 3 reported patients
- DysphagiaHPOHP:0002015
- 2 of 3 reported patients
- Decreased activity of mitochondrial complex IIIHPOHP:0011924
- 1 of 2 reported patients
Show the remaining 8
- Increased variability in muscle fiber diameterHPOHP:0003557
- 1 of 2 reported patients
- KetonuriaHPOHP:0002919
- 1 of 2 reported patients
- LacticaciduriaHPOHP:0003648
- 1 of 2 reported patients
- Methylmalonic aciduriaHPOHP:0012120
- 1 of 2 reported patients
- Progressive external ophthalmoplegiaHPOHP:0000590
- 1 of 2 reported patients
- Type 1 muscle fiber predominanceHPOHP:0003803
- 1 of 2 reported patients
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.
- TAMM41HGNC:25187
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2023
- Strong · PanelApp Australia · Autosomal recessive · 2025
- Limited · Ambry Genetics · Autosomal recessive · 2023