chr17-3476169-T-C

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 2P and 10B. PM5BP4_StrongBP6_ModerateBS2

The NM_000049.4(ASPA):ā€‹c.10T>Cā€‹(p.Cys4Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000418 in 1,613,770 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (ā˜…). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. C4G?) has been classified as Pathogenic.

Frequency

Genomes: š‘“ 0.00030 ( 0 hom., cov: 32)
Exomes š‘“: 0.00043 ( 2 hom. )

Consequence

ASPA
NM_000049.4 missense

Scores

1
18

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.394
Variant links:
Genes affected
ASPA (HGNC:756): (aspartoacylase) This gene encodes an enzyme that catalyzes the conversion of N-acetyl_L-aspartic acid (NAA) to aspartate and acetate. NAA is abundant in the brain where hydrolysis by aspartoacylase is thought to help maintain white matter. This protein is an NAA scavenger in other tissues. Mutations in this gene cause Canavan disease. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jul 2008]
SPATA22 (HGNC:30705): (spermatogenesis associated 22) Predicted to be involved in regulation of meiotic cell cycle. Predicted to act upstream of or within several processes, including fertilization; gamete generation; and meiosis I cell cycle process. Predicted to be located in chromosome. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

PM5
Other missense variant is known to change same aminoacid residue: Variant chr17-3476169-T-GG is described in ClinVar as [Pathogenic]. Clinvar id is 2854616.Status of the report is criteria_provided_single_submitter, 1 stars.
BP4
Computational evidence support a benign effect (MetaRNN=0.024567723).
BP6
Variant 17-3476169-T-C is Benign according to our data. Variant chr17-3476169-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 1561274.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr17-3476169-T-C is described in Lovd as [Likely_benign].
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ASPANM_000049.4 linkuse as main transcriptc.10T>C p.Cys4Arg missense_variant 1/6 ENST00000263080.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ASPAENST00000263080.3 linkuse as main transcriptc.10T>C p.Cys4Arg missense_variant 1/61 NM_000049.4 P1

Frequencies

GnomAD3 genomes
AF:
0.000302
AC:
46
AN:
152236
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000676
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000330
AC:
83
AN:
251252
Hom.:
0
AF XY:
0.000317
AC XY:
43
AN XY:
135812
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000233
Gnomad NFE exome
AF:
0.000651
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000430
AC:
628
AN:
1461416
Hom.:
2
Cov.:
30
AF XY:
0.000425
AC XY:
309
AN XY:
727044
show subpopulations
Gnomad4 AFR exome
AF:
0.000119
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.000207
Gnomad4 NFE exome
AF:
0.000539
Gnomad4 OTH exome
AF:
0.000215
GnomAD4 genome
AF:
0.000302
AC:
46
AN:
152354
Hom.:
0
Cov.:
32
AF XY:
0.000188
AC XY:
14
AN XY:
74508
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000676
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000626
Hom.:
0
Bravo
AF:
0.000408
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000465
AC:
4
ExAC
AF:
0.000395
AC:
48
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000273
EpiControl
AF:
0.000356

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Spongy degeneration of central nervous system Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 24, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.080
BayesDel_addAF
Benign
-0.19
T
BayesDel_noAF
Benign
-0.15
CADD
Benign
18
DANN
Benign
0.62
DEOGEN2
Benign
0.0090
T;T;T
Eigen
Benign
-0.89
Eigen_PC
Benign
-0.79
FATHMM_MKL
Benign
0.30
N
LIST_S2
Benign
0.27
T;.;T
M_CAP
Benign
0.062
D
MetaRNN
Benign
0.025
T;T;T
MetaSVM
Benign
-0.32
T
MutationAssessor
Benign
0.32
.;N;N
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-0.52
.;N;N
REVEL
Uncertain
0.34
Sift
Benign
0.065
.;T;T
Sift4G
Benign
0.14
T;T;T
Polyphen
0.0
.;B;B
Vest4
0.19, 0.18
MVP
0.46
MPC
0.12
ClinPred
0.014
T
GERP RS
0.37
Varity_R
0.21
gMVP
0.83

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs142041344; hg19: chr17-3379463; API