chr1-109573889-T-C

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_ModerateBP6_ModerateBS2

The NM_006496.4(GNAI3):​c.162-7T>C 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 0.000232 in 1,610,010 control chromosomes in the GnomAD database, including 5 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 0.00026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00023 ( 5 hom. )

Consequence

GNAI3
NM_006496.4 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.001145
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.203
Variant links:
Genes affected
GNAI3 (HGNC:4387): (G protein subunit alpha i3) Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling pathways. G proteins are composed of 3 units: alpha, beta and gamma. This gene encodes an alpha subunit and belongs to the G-alpha family. Mutation in this gene, resulting in a gly40-to-arg substitution, is associated with auriculocondylar syndrome, and shown to affect downstream targets in the G protein-coupled endothelin receptor pathway. [provided by RefSeq, Jun 2012]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.38).
BP6
Variant 1-109573889-T-C is Benign according to our data. Variant chr1-109573889-T-C is described in ClinVar as [Benign]. Clinvar id is 2064232.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAd4 at 40 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GNAI3NM_006496.4 linkuse as main transcriptc.162-7T>C splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000369851.7 NP_006487.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GNAI3ENST00000369851.7 linkuse as main transcriptc.162-7T>C splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_006496.4 ENSP00000358867 P1

Frequencies

GnomAD3 genomes
AF:
0.000263
AC:
40
AN:
152218
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:
0.00750
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000578
AC:
144
AN:
249178
Hom.:
1
AF XY:
0.000572
AC XY:
77
AN XY:
134622
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00744
Gnomad SAS exome
AF:
0.000167
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000494
GnomAD4 exome
AF:
0.000229
AC:
334
AN:
1457674
Hom.:
5
Cov.:
28
AF XY:
0.000241
AC XY:
175
AN XY:
725204
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00746
Gnomad4 SAS exome
AF:
0.000187
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.01e-7
Gnomad4 OTH exome
AF:
0.000349
GnomAD4 genome
AF:
0.000263
AC:
40
AN:
152336
Hom.:
0
Cov.:
32
AF XY:
0.000269
AC XY:
20
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00751
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000868
Hom.:
0
Bravo
AF:
0.000317
Asia WGS
AF:
0.00404
AC:
14
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJul 07, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.38
CADD
Benign
13
DANN
Benign
0.91
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.0011
dbscSNV1_RF
Benign
0.026
SpliceAI score (max)
0.030
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: rs182530939; hg19: chr1-110116511; API