Table 3 Variants displaying complex compound heterozygosity

From: Diagnostic implications of pitfalls in causal variant identification based on 4577 molecularly characterized families

Gene

Variant

Justification for CCH

Disease Name

Phenotype-specific OMIM ID

POLR3A

NM_007055.4:c.1909+22 G > A

Homozygous in individuals who lack the phenotype

Leukodystrophy, hypomyelinating, 7, with or without oligodontia and/or hypogonadotropic hypogonadism

607694

ABCA4

NM_000350.3:c.5882 G > A;p.(Gly1961Glu)

Homozygous in individuals who lack the phenotype

Stargardt disease 1

248200

SBDS

NM_016038.4:c.258+2 T > C

Homozygous in individuals who lack the phenotype

Shwachman-Diamond syndrome 1

260400

RBM8A

NM_005105.5:c.*6 C > G

Previously published CCH

Thrombocytopenia-absent radius syndrome

274000

EYS

NM_001142800.1:c.2137+1 G > A

Homozygous in individuals who lack the phenotype

Retinitis pigmentosa 25

602772

DHCR7

NM_001360.3:c.1 A > G;p.?

Homozygous in individuals who lack the phenotype

Smith-Lemli-Opitz syndrome

270400

DONSON

NM_017613.4:c.82 A > C;p.(Ser28Arg)

Homozygous in individuals who lack the phenotype

Microcephaly, short stature, and limb abnormalities

617604

CLCN7

NM_001287.6:c.1208 G > A;p.(Arg403Gln)

Homozygous in individuals who lack the phenotype

Osteopetrosis, autosomal recessive 4

611490