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Table 3 Sequence variants of interest identified in our cohort

From: Deciphering the genetic basis of developmental language disorder in children without intellectual disability, autism or apraxia of speech

Family

DLD-1

DLD-5

DLD-6

DLD-11

DLD-12

DLD-13

Individual

II:2

II:3

II:1

II:1

II:2

II:3

II:2

II:2

Gene

IQSEC2

DDX47

SOX30

PPP2R2C

ZNF292

ARID4A

Sequence variants identified

Genomic coordinates

(GRCh37/hg19)

NC_000023.11:

g.53238184T > C

NC_000012.12:

g.12,823,958 C > A

NC_000005.10:

g.157,651,130 C > T

NC_000004.12:

g.6,378,573 C > T

NC_000006.12:

g.87259789_87259790del

NC_000014.9:

g.58351207dup

cDNA

NM_001111125.3:

c.3238 A > G

NM_016355.4:

c.839 C > A

NM_178424.2:

c.949G > A

NM_020416.4:

c.169-1G > A

NM_015021.3:

c.6160-6161del

NM_002892.4:

c.1539dup

Predicted protein

p.(Ile1080Val)

p.(Ala280Asp)

p.(Val317Met)

p.?

p.(Glu2054LysfsTer14)

p.(Glu514ArgfsTer3)

Status

Homozygous

Heterozygous

Heterozygous

Heterozygous

Heterozygous

Heterozygous

Inheritance

Maternal

Paternal

de novo

Maternal

de novo

de novo

Exon

12

8

1

intron 2

8

16

Frequency in population databases

gnomAD v2 AF

0

0

0

0

0

0

gnomAD v4 AF

0

0.000001590

0

0

0.000001246

0

deCAF AF

0

0

0

0

0

0

All of Us AF

0.000002

0

0

0

0.000004

0

in silico predictions of deleteriousness

PHRED-like scaled CADD score

20

27

25

34

33

NA

REVEL score

0.063

0.511

0.482

NA

NA

NA

MISTIC score

0.32

0.32

0.71

NA

NA

NA

Gene constraint scores

gnomAD v2 LOEUF score

0.13

0.98

0.23

0.38

0.14

0.14

gnomAD v2 missense Z score

5.19

0.39

0.78

3.53

1.41

1.45

ACMG classification

3

NA

NA

NA

5

NA

  1. NA: not applicable; AF, allele frequency. A CADD score is a ranking, with higher scores indicating a greater likelihood of being deleterious. The REVEL and MISTIC scores can range from 0 to 1, with higher scores reflecting a greater likelihood that a given missense variant is disease-causing