12-57245219-G-A

Variant summary

Our verdict is Benign. Variant got -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBA1

The NM_145064.3(STAC3):​c.604-8C>T variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00933 in 1,613,798 control chromosomes in the GnomAD database, including 208 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0089 ( 22 hom., cov: 32)
Exomes 𝑓: 0.0094 ( 186 hom. )

Consequence

STAC3
NM_145064.3 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0008489
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 3.14
Variant links:
Genes affected
STAC3 (HGNC:28423): (SH3 and cysteine rich domain 3) The protein encoded by this gene is a component of the excitation-contraction coupling machinery of muscles. This protein is a member of the Stac gene family and contains an N-terminal cysteine-rich domain and two SH3 domains. Mutations in this gene are a cause of Native American myopathy. [provided by RefSeq, Nov 2013]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -18 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.42).
BP6
Variant 12-57245219-G-A is Benign according to our data. Variant chr12-57245219-G-A is described in ClinVar as [Benign]. Clinvar id is 262576.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.0659 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
STAC3NM_145064.3 linkuse as main transcriptc.604-8C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000332782.7 NP_659501.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
STAC3ENST00000332782.7 linkuse as main transcriptc.604-8C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 2 NM_145064.3 ENSP00000329200 P1Q96MF2-1

Frequencies

GnomAD3 genomes
AF:
0.00891
AC:
1355
AN:
152124
Hom.:
22
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00908
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00170
Gnomad ASJ
AF:
0.00230
Gnomad EAS
AF:
0.0719
Gnomad SAS
AF:
0.0213
Gnomad FIN
AF:
0.00104
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00657
Gnomad OTH
AF:
0.00575
GnomAD3 exomes
AF:
0.0109
AC:
2737
AN:
250826
Hom.:
58
AF XY:
0.0111
AC XY:
1509
AN XY:
135538
show subpopulations
Gnomad AFR exome
AF:
0.00843
Gnomad AMR exome
AF:
0.00163
Gnomad ASJ exome
AF:
0.00449
Gnomad EAS exome
AF:
0.0666
Gnomad SAS exome
AF:
0.0178
Gnomad FIN exome
AF:
0.00190
Gnomad NFE exome
AF:
0.00576
Gnomad OTH exome
AF:
0.00639
GnomAD4 exome
AF:
0.00937
AC:
13692
AN:
1461556
Hom.:
186
Cov.:
31
AF XY:
0.00952
AC XY:
6920
AN XY:
727076
show subpopulations
Gnomad4 AFR exome
AF:
0.00974
Gnomad4 AMR exome
AF:
0.00148
Gnomad4 ASJ exome
AF:
0.00574
Gnomad4 EAS exome
AF:
0.0728
Gnomad4 SAS exome
AF:
0.0185
Gnomad4 FIN exome
AF:
0.00155
Gnomad4 NFE exome
AF:
0.00709
Gnomad4 OTH exome
AF:
0.0107
GnomAD4 genome
AF:
0.00892
AC:
1358
AN:
152242
Hom.:
22
Cov.:
32
AF XY:
0.00993
AC XY:
739
AN XY:
74434
show subpopulations
Gnomad4 AFR
AF:
0.00912
Gnomad4 AMR
AF:
0.00170
Gnomad4 ASJ
AF:
0.00230
Gnomad4 EAS
AF:
0.0719
Gnomad4 SAS
AF:
0.0216
Gnomad4 FIN
AF:
0.00104
Gnomad4 NFE
AF:
0.00657
Gnomad4 OTH
AF:
0.00569
Alfa
AF:
0.00652
Hom.:
4
Bravo
AF:
0.00940
Asia WGS
AF:
0.0510
AC:
177
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingGeneDxApr 12, 2021- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
not specified Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
Bailey-Bloch congenital myopathy Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.42
CADD
Benign
14
DANN
Benign
0.89

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00085
dbscSNV1_RF
Benign
0.050
SpliceAI score (max)
0.020
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: rs76823783; hg19: chr12-57639002; COSMIC: COSV60414248; COSMIC: COSV60414248; API