combined oxidative phosphorylation deficiency 55
MONDO:0859228Mondo
Findings
No curated finding names combined oxidative phosphorylation deficiency 55 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
- Inheritance
- Autosomal dominant inheritance · Autosomal recessive inheritance
- Onset and course
- Infantile onset · Middle age onset · Young adult onset · Childhood onset
HPO, annotations 2026-09-02
Features
48 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.
- HypotoniaHPOHP:0001252
- 4 of 8 reported patients
- Short statureHPOHP:0004322
- 4 of 8 reported patients
- Global developmental delayHPOHP:0001263
- 3 of 8 reported patients
- Intellectual disabilityHPOHP:0001249
- 3 of 8 reported patients
- MyopathyHPOHP:0003198
- 3 of 8 reported patients
- Absent speechHPOHP:0001344
- 2 of 8 reported patients
- Bilateral ptosisHPOHP:0001488
- 2 of 8 reported patients
- ExotropiaHPOHP:0000577
- 2 of 8 reported patients
- Increased circulating lactate concentrationHPOHP:0002151
- 2 of 8 reported patients
- MicrocephalyHPOHP:0000252
- 2 of 8 reported patients
- StrabismusHPOHP:0000486
- 2 of 8 reported patients
- AnemiaHPOHP:0001903
- 1 of 8 reported patients
Show the remaining 36
- Anteverted naresHPOHP:0000463
- 1 of 8 reported patients
- Blue scleraeHPOHP:0000592
- 1 of 8 reported patients
- ConstipationHPOHP:0002019
- 1 of 8 reported patients
- Delayed speech and language developmentHPOHP:0000750
- 1 of 8 reported patients
- Depressed nasal bridgeHPOHP:0005280
- 1 of 8 reported patients
- Elevated brain lactate level by MRSHPOHP:0012707
- 1 of 8 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.
- POLRMTHGNC:9200
- Strong · Labcorp Genetics (formerly Invitae) · Autosomal recessive · 2022
- Strong · PanelApp Australia · Autosomal recessive · 2025
- Moderate · PanelApp Australia · Autosomal dominant · 2025
- Limited · Ambry Genetics · Autosomal recessive · 2023
- Limited · Ambry Genetics · Autosomal dominant · 2023
- Limited · Labcorp Genetics (formerly Invitae) · Autosomal dominant · 2022