1-117883618-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_017686.4(GDAP2):ā€‹c.1117T>Cā€‹(p.Tyr373His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000112 in 1,601,294 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000013 ( 0 hom., cov: 32)
Exomes š‘“: 0.000011 ( 0 hom. )

Consequence

GDAP2
NM_017686.4 missense

Scores

6
9
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.95
Variant links:
Genes affected
GDAP2 (HGNC:18010): (ganglioside induced differentiation associated protein 2) Predicted to act upstream of or within response to retinoic acid. Located in lysosomal membrane. Implicated in autosomal recessive spinocerebellar ataxia 27. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.78

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GDAP2NM_017686.4 linkuse as main transcriptc.1117T>C p.Tyr373His missense_variant 11/14 ENST00000369443.10 NP_060156.1
GDAP2NM_001135589.3 linkuse as main transcriptc.1117T>C p.Tyr373His missense_variant 11/13 NP_001129061.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GDAP2ENST00000369443.10 linkuse as main transcriptc.1117T>C p.Tyr373His missense_variant 11/142 NM_017686.4 ENSP00000358451 P1Q9NXN4-1
GDAP2ENST00000369442.3 linkuse as main transcriptc.1117T>C p.Tyr373His missense_variant 11/131 ENSP00000358450 Q9NXN4-2
GDAP2ENST00000464026.1 linkuse as main transcriptn.395T>C non_coding_transcript_exon_variant 5/52
GDAP2ENST00000491626.5 linkuse as main transcriptn.123T>C non_coding_transcript_exon_variant 3/73

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152208
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000384
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000482
AC:
12
AN:
249026
Hom.:
0
AF XY:
0.0000372
AC XY:
5
AN XY:
134502
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000602
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000165
GnomAD4 exome
AF:
0.0000110
AC:
16
AN:
1449086
Hom.:
0
Cov.:
26
AF XY:
0.0000166
AC XY:
12
AN XY:
721398
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000203
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000635
Gnomad4 OTH exome
AF:
0.0000167
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152208
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000384
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000302
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000412
AC:
5

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 02, 2021The c.1117T>C (p.Y373H) alteration is located in exon 11 (coding exon 10) of the GDAP2 gene. This alteration results from a T to C substitution at nucleotide position 1117, causing the tyrosine (Y) at amino acid position 373 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.97
BayesDel_addAF
Uncertain
0.097
D
BayesDel_noAF
Pathogenic
0.26
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.26
T;.
Eigen
Uncertain
0.64
Eigen_PC
Uncertain
0.53
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.94
D;D
M_CAP
Benign
0.051
D
MetaRNN
Pathogenic
0.78
D;D
MetaSVM
Uncertain
0.021
D
MutationAssessor
Uncertain
2.5
M;M
MutationTaster
Benign
1.0
D;D
PrimateAI
Pathogenic
0.90
D
PROVEAN
Uncertain
-2.7
D;D
REVEL
Pathogenic
0.65
Sift
Uncertain
0.0040
D;D
Sift4G
Benign
0.13
T;T
Polyphen
1.0
D;D
Vest4
0.96
MVP
0.72
MPC
0.86
ClinPred
0.43
T
GERP RS
4.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.51
gMVP
0.78

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs143456408; hg19: chr1-118426240; API