16-70762591-C-T

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The ENST00000261776.10(VAC14):​c.1320G>A​(p.Thr440Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000944 in 1,614,032 control chromosomes in the GnomAD database, including 13 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). Synonymous variant affecting the same amino acid position (i.e. T440T) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0014 ( 3 hom., cov: 32)
Exomes 𝑓: 0.00090 ( 10 hom. )

Consequence

VAC14
ENST00000261776.10 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -3.86
Variant links:
Genes affected
VAC14 (HGNC:25507): (VAC14 component of PIKFYVE complex) This gene encodes a scaffold protein that is a component of the PIKfyve protein kinase complex. This complex is responsible for the synthesis of phosphatidylinositol 3,5-bisphosphate, an important component of cellular membranes, from phosphatidylinositol 3-phosphate. Mice lacking a functional copy of this gene exhibit severe neurodegeneration. Mutations in the human gene have been identified in patients with a childhood onset progressive neurological disorder characterized by impaired movement, dystonia, and striatal abnormalities. [provided by RefSeq, May 2017]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.59).
BP6
Variant 16-70762591-C-T is Benign according to our data. Variant chr16-70762591-C-T is described in ClinVar as [Benign]. Clinvar id is 784658.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-3.86 with no splicing effect.
BS1
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.00139 (211/152276) while in subpopulation AMR AF= 0.0096 (147/15308). AF 95% confidence interval is 0.00834. There are 3 homozygotes in gnomad4. There are 95 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 3 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
VAC14NM_018052.5 linkuse as main transcriptc.1320G>A p.Thr440Thr synonymous_variant 12/19 ENST00000261776.10 NP_060522.3 Q08AM6-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
VAC14ENST00000261776.10 linkuse as main transcriptc.1320G>A p.Thr440Thr synonymous_variant 12/191 NM_018052.5 ENSP00000261776.5 Q08AM6-1

Frequencies

GnomAD3 genomes
AF:
0.00139
AC:
212
AN:
152156
Hom.:
3
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000459
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00968
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00674
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00335
GnomAD3 exomes
AF:
0.00371
AC:
932
AN:
251082
Hom.:
6
AF XY:
0.00293
AC XY:
398
AN XY:
135718
show subpopulations
Gnomad AFR exome
AF:
0.000431
Gnomad AMR exome
AF:
0.0216
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00849
Gnomad SAS exome
AF:
0.0000981
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000264
Gnomad OTH exome
AF:
0.00261
GnomAD4 exome
AF:
0.000898
AC:
1313
AN:
1461756
Hom.:
10
Cov.:
30
AF XY:
0.000773
AC XY:
562
AN XY:
727160
show subpopulations
Gnomad4 AFR exome
AF:
0.000299
Gnomad4 AMR exome
AF:
0.0194
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00905
Gnomad4 SAS exome
AF:
0.000104
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000216
Gnomad4 OTH exome
AF:
0.000729
GnomAD4 genome
AF:
0.00139
AC:
211
AN:
152276
Hom.:
3
Cov.:
32
AF XY:
0.00128
AC XY:
95
AN XY:
74478
show subpopulations
Gnomad4 AFR
AF:
0.000457
Gnomad4 AMR
AF:
0.00960
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00675
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00331
Alfa
AF:
0.000193
Hom.:
0
Bravo
AF:
0.00269
Asia WGS
AF:
0.00346
AC:
12
AN:
3478
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
VAC14-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesJun 05, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.59
CADD
Benign
1.3
DANN
Benign
0.97

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
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: rs78503253; hg19: chr16-70796494; COSMIC: COSV55753189; API