chr18-11689670-CGGCCCT-C

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 0P and 11B. BP3BP6_ModerateBA1

The NM_182978.4(GNAL):​c.113_118del​(p.Leu38_Ala39del) variant causes a inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00287 in 1,441,192 control chromosomes in the GnomAD database, including 95 homozygotes. Variant has been reported in ClinVar as Benign (β˜…).

Frequency

Genomes: 𝑓 0.016 ( 61 hom., cov: 30)
Exomes 𝑓: 0.0014 ( 34 hom. )

Consequence

GNAL
NM_182978.4 inframe_deletion

Scores

Not classified

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.255
Variant links:
Genes affected
GNAL (HGNC:4388): (G protein subunit alpha L) This gene encodes a stimulatory G protein alpha subunit which mediates odorant signaling in the olfactory epithelium. This protein couples dopamine type 1 receptors and adenosine A2A receptors and is widely expressed in the central nervous system. Mutations in this gene have been associated with dystonia 25 and this gene is located in a susceptibility region for bipolar disorder and schizophrenia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2013]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

BP3
Nonframeshift variant in repetitive region in NM_182978.4
BP6
Variant 18-11689670-CGGCCCT-C is Benign according to our data. Variant chr18-11689670-CGGCCCT-C is described in ClinVar as [Benign]. Clinvar id is 1237593.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr18-11689670-CGGCCCT-C is described in Lovd as [Likely_benign]. Variant chr18-11689670-CGGCCCT-C is described in Lovd as [Likely_benign].
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0517 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GNALNM_182978.4 linkuse as main transcriptc.113_118del p.Leu38_Ala39del inframe_deletion 1/12 ENST00000334049.11
GNALXM_006722324.4 linkuse as main transcriptc.113_118del p.Leu38_Ala39del inframe_deletion 1/6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GNALENST00000334049.11 linkuse as main transcriptc.113_118del p.Leu38_Ala39del inframe_deletion 1/121 NM_182978.4 P38405-2
GNALENST00000585590.1 linkuse as main transcript upstream_gene_variant 2

Frequencies

GnomAD3 genomes
AF:
0.0156
AC:
2365
AN:
151818
Hom.:
61
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0537
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00649
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:
0.000295
Gnomad OTH
AF:
0.0125
GnomAD3 exomes
AF:
0.00104
AC:
65
AN:
62574
Hom.:
3
AF XY:
0.000681
AC XY:
25
AN XY:
36704
show subpopulations
Gnomad AFR exome
AF:
0.0478
Gnomad AMR exome
AF:
0.00201
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000729
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000171
Gnomad OTH exome
AF:
0.00173
GnomAD4 exome
AF:
0.00138
AC:
1774
AN:
1289266
Hom.:
34
AF XY:
0.00117
AC XY:
741
AN XY:
634770
show subpopulations
Gnomad4 AFR exome
AF:
0.0520
Gnomad4 AMR exome
AF:
0.00338
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000177
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000132
Gnomad4 OTH exome
AF:
0.00362
GnomAD4 genome
AF:
0.0156
AC:
2367
AN:
151926
Hom.:
61
Cov.:
30
AF XY:
0.0151
AC XY:
1125
AN XY:
74296
show subpopulations
Gnomad4 AFR
AF:
0.0536
Gnomad4 AMR
AF:
0.00648
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000295
Gnomad4 OTH
AF:
0.0123
Alfa
AF:
0.0000781
Hom.:
39
Bravo
AF:
0.0185

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxOct 31, 2018- -
GNAL-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesMay 07, 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

Splicing

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: rs201898548; hg19: chr18-11689669; API