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POLG2

DNA polymerase gamma 2, accessory subunit

HCNC Approved Symbol
POLG2 (HGNC:9180)
Genomic Coordinates
17:64,477,785 - 64,497,054 (17q23.3)
Synonyms
MTPOLB, HP55
Disease Associations
This gene is associated with the following 3 diseases in OMIM.
View More Disease Info
Disease NameOMIM IDInheritance
?Mitochondrial DNA depletion syndrome 16 (hepatic type)
618528AR
?Mitochondrial DNA depletion syndrome 16B (neuroophthalmic type)
619425AR
Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 4
610131AD

Diagnosed Cases

1Patient

In total, 1 patient was diagnosed with a variant in the POLG2 gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Failure to thrive
 1 (100.0%)
Laryngomalacia
 1 (100.0%)
Microcephaly
 1 (100.0%)
Myoclonic seizures
 1 (100.0%)
Pneumonia
 1 (100.0%)