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Table 3 genes, novel variants hg38 and their phenotypes and in silico predictions

From: The genetic basis of early-onset hereditary ataxia in Iran: results of a national registry of a heterogeneous population

No.

Gene

Nucleotide variant

AA change

Predictions

ACMG classification

MutationTaster

SIFT

Polyphen-2

CADD score GRCh38-v1.6

1

APTX

c.793 A > T

p.Ser265Cys

DC

D

NA

27.7

VUS

2

APTX

c.582del

p.Lys194AsnfsTer20

NA

NA

NA

NA

Pathogenic

3

APTX

c.734G > A

p.Arg245His

DC

T

NA

22.5

VUS

4

APTX

c.376delA

p.Arg126GlyfsTer26

NA

NA

NA

NA

Pathogenic

5

ATM

c.3320T > G

p.Leu1107Ter

DC

NA

NA

34

Pathogenic

6

ATM

c.8050 C > T

p.Gln2684Ter

DC

NA

NA

38

Pathogenic

7

ATM

c.3895del

p.Ala1299ProfsTer50

NA

NA

NA

NA

Pathogenic

8

ATM

c.6453-2 A > G

-

DC

NA

NA

34

Pathogenic

9

BRAT1

c.398 A > G

p.His133Arg

DC

D

PD

24.8

VUS

10

CEP120

c.2230 C > T

p.Arg744Cys

DC

T

B

25.3

VUS

11

CLN3

c.1073_1074insAGAGAAATGAATGAGCCTACAGATGATAGGATGTGGTGTT

p.Cys359GlufsTer3

NA

NA

NA

NA

Pathogenic

12

COQ8A

c.1162G > A

p.Gly388Ser

DC

D

PD

35

VUS

13

CWF19L1

c.574T > C

p.Tyr192His

DC

D

PD

27.9

VUS

14

DARS2

c.1781G > A

p.Gly594Glu

DC

T

PD

24.8

VUS

15

ELP2

c.1580G > A

p.Arg527Gln

DC

T

B

10.43

VUS

16

ERLIN2

c.299-3 C > T

-

NA

NA

NA

16.97

VUS

17

FAT2

c.12913G > T

p.Ala4305Ser

DC

D

PD

24.7

VUS

18

FI.G4

c.1766 A > G

p.Asp589Gly

DC

T

B

23.5

VUS

19

FTL

c.325 C > T

p.Gln109Ter

DC

NA

NA

37

Likely pathogenic

20

GRID2

c.1033 C > T

p.Arg345Ter

DC

NA

NA

35

Pathogenic

21

KIF1C

c.1996G > T

p.Glu666Ter

DC

NA

NA

50

Pathogenic

22

MFSD8

c.62 + 1G > A

-

DC

NA

NA

33

Likely pathogenic

23

MFSD8

c.439 + 2T > C

-

DC

NA

NA

33

Likely pathogenic

24

MME

c.2242 C > T

p.Arg748Trp

DC

D

PD

28.1

VUS

25

NPC2

c.272 A > T

p.Asp91Val

DC

D

PD

27.8

VUS

26

PLA2G6

c.2108T > A

p.Val703Glu

DC

D

PD

29.4

VUS

27

PLA2G6

c.962T > C

p.Leu321Pro

DC

D

PD

26.9

Likely pathogenic

28

PLA2G6

c.1972 A > G

p.Asn658Asp

DC

D

PD

28.3

Likely pathogenic

29

PLA2G6

c.865_869dup

p.Leu291AlafsTer16

NA

NA

NA

NA

Pathogenic

30

PLA2G6

c.1622 A > C

p.Tyr541Ser

DC

D

PD

28.3

Likely pathogenic

31

PLA2G6

c.1427 + 1G > C

-

DC

NA

NA

33

Pathogenic

32

PLA2G6

c.2015 A > T

p.Asn672Ile

DC

D

PD

29.8

VUS

33

POLG

c.3482 + 6 C > T

-

NA

NA

NA

1.24

VUS

34

RNASET2

c.345G > A

p.Trp115Ter

DC

NA

NA

36

Pathogenic

35

RUBCN

c.1721 C > G

p.Ser574Ter

DC

NA

NA

38

Pathogenic

36

SACS

c.10,625 A > G

p.Asp3542Gly

DC

D

PD

27.3

VUS

37

SACS

c.12831_12841dupTCCTCTTTTCT

p.Ser4281PhefsTer31

NA

NA

NA

NA

Likely pathogenic

38

SAMD9

c.4558G > T

p.Glu1520Ter

DC

NA

NA

34

Likely pathogenic

39

SIL1

c.910 C > T

p.Gln304Ter

DC

NA

NA

41

Pathogenic

40

THG1L

c.388G > A

p.Ala130Thr

DC

T

B

22.3

VUS

41

TMEM237

c.550dup

p.Ser184LysfsTer8

NA

NA

NA

NA

Pathogenic

42

TPP1

c.1425 + 1G > T

-

DC

NA

NA

34

Likely pathogenic

43

TTPA

c.798del

p.Glu267LysfsTer27

NA

NA

NA

NA

Likely pathogenic

44

VPS13D

c.8305G > C

p.Glu2769Gln

DC

NA

PD

27.9

VUS

45

WDR81

c.1585 C > G

p.Arg529Gly

DC

D

PD

23.2

VUS

  1. DC: disease causing; PD: probably damaging; D: Damaging; T: tolerated; N: Neutral; B: benign