Table 4 Results of de novo, homozygous, compound heterozygous, and hemizygous variants.

From: Accurate interpretation of genetic variants in sudden unexpected death in infancy by trio-targeted gene-sequencing panel analysis

Case

Gene

Variant

Coordinate

Amino Acids

Zygosity

Heredity

Genetic phenotype

Inheritance

SIFT

PolyPhen-2

dbSNP ID

ToMMo frequency

HGVD frequency

1

DRD5

T > T/C

9,784,617

Cys322Arg

Heterozygote

De novo

Blepharospasm, ADHD

AD

Deleterious (0)

Probably damaging (1)

–

N.R

N.R

2

COL5A1

G > G/A

137,712,023

Arg1503His

Heterozygote

De novo

Ehlers–Danlos syndrome

AD

–

Unknown (0)

rs373653069

N.R

N.R

ZFHX3

A > A/C

72,821,636

Ser3513Arg

Heterozygote

De novo

Prostate cancer

–

–

Unknown (0)

–

N.R

N.R

CD209

C > C/T

7,810,559

Arg198Gln

Heterozygote

De novo

HIV type 1 susceptibility

–

Tolerated (1)

Benign (0.001)

rs41374747

N.R

N.R

CCKBR

G > A/A

6,292,693

Asp422Asn

Homozygote

Both

pancreatic/gastric cancer

–

Tolerated (0.08)

Benign (0.002)

rs746523028

5/9544

2/2418

RGMA

G > A/A

93,595,452

Ser147Leu

Homozygote

Both

Oral squamous cell carcinoma

–

Tolerated (0.25)

Probably Damaging (0.998)

rs200825597

8/9540

2/2418

DOCK6

C > T/T

11,356,294

Arg323His

Homozygote

Both

Adams–Oliver syndrome 2

AR

Tolerated (0.05)

Probably damaging (0.911)

rs188066183

4/9546

2/2310

3

OPTC

T > T/G

203,466,112

Val80Gly

Heterozygote

De novo

High myopia

–

Tolerated (0.1)

Benign (0.013)

–

N.R

N.R

PRKDC

G > G/A

48,771,471

Arg2095Cys

Heterozygote

De novo

Immunodeficiency

AR

–

–

rs8178147

N.R

N.R

4

OBSCN

G > G/A

228,412,409

Arg1060Gln

Heterozygote

Mother

Cardiomyopathy

–

–

Benign (0.037)

rs766325064

5/9546

N.R

OBSCN

G > G/A

228,509,310

Ser5880Asn

Heterozygote

Father

Cardiomyopathy

–

–

Probably damaging (0.997)

rs765727329

3/9546

N.R

5

KIR2DL4

G > G/A

55,316,398

Arg76Lys

Heterozygote

Father

–

–

–

–

–

N.R

N.R

KIR2DL4

C > C/A

55,317,489

Gln149Lys

Heterozygote

Ambiguous

–

–

–

–

rs796139593

N.R

N.R

KIR2DL4

A > A/G

55,317,490

Gln149Arg

Heterozygote

Ambiguous

–

–

–

–

rs746343340

N.R

N.R

KIR2DL4

G > G/A

55,317,528

Glu162Lys

Heterozygote

Ambiguous

–

–

–

–

rs540514355

N.R

N.R

KIR2DL4

A > A/G

55,317,529

Glu162Gly

Heterozygote

Ambiguous

–

–

–

–

rs796093143

N.R

N.R

KIR2DL4

T > T/C

55,317,541

Leu166Pro

Heterozygote

Ambiguous

–

–

–

–

rs112694450

N.R

N.R

KIR2DL4

A > A/G

55,317,564

Ile174Val

Heterozygote

Ambiguous

–

–

–

–

rs200435373

N.R

N.R

6

ZFHX3

A > A/C

72,821,636

Ser3513Arg

Heterozygote

De novo

Prostate cancer

–

–

Unknown (0)

–

N.R

N.R

KMT5A

T > T/C

123,892,078

Leu296Pro

Heterozygote

De novo

Malignant tumor of prostate

–

Deleterious (0)

Probably damaging (1)

–

N.R

N.R

7

PIEZO2

T > T/G

10,682,254

Lys2398Asn

Heterozygote

Father

Arthrogryposis, Marden–Walker syndrome

AD, AR

Deleterious (0)

Probably damaging (0.919)

–

N.R

N.R

PIEZO2

T > T/C

10,770,217

Met934Val

Heterozygote

Mother

Arthrogryposis, Marden–Walker syndrome

AD, AR

Tolerated (1)

Benign (0)

–

2/9546

N.R

HCCS

G > T/T

11,139,865

Ala248Ser

Hemizygote

Mother

Linear Skin Defects with Multiple Congenital Anomalies 1

XLD

Deleterious (0)

Probably damaging (0.996)

rs201692478

3/7412

2/2418

PHKA1

A > G/G

71,830,918

Ile829Thr

Hemizygote

Mother

Muscle glycogenosis

XLR

Tolerated (0.6)

Benign (0.023)

–

N.R

N.R

  1. ADHD: attention-deficit hyperactivity disorder, HIV: human immunodeficiency virus, AD: autosomal dominant, AR: autosomal recessive, XLD: X-linked dominant, XLR: X-linked recessive, N.R.: not reported.