16-57651309-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001290143.2(ADGRG1):​c.-352C>T variant causes a 5 prime UTR premature start codon gain change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000528 in 1,614,176 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0020 ( 2 hom., cov: 31)
Exomes 𝑓: 0.00038 ( 0 hom. )

Consequence

ADGRG1
NM_001290143.2 5_prime_UTR_premature_start_codon_gain

Scores

5

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:8

Conservation

PhyloP100: -0.0290
Variant links:
Genes affected
ADGRG1 (HGNC:4512): (adhesion G protein-coupled receptor G1) This gene encodes a member of the G protein-coupled receptor family and regulates brain cortical patterning. The encoded protein binds specifically to transglutaminase 2, a component of tissue and tumor stroma implicated as an inhibitor of tumor progression. Mutations in this gene are associated with a brain malformation known as bilateral frontoparietal polymicrogyria. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_addAF=-0.6298).
BP6
Variant 16-57651309-C-T is Benign according to our data. Variant chr16-57651309-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 435352.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-57651309-C-T is described in Lovd as [Likely_benign].
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00199 (303/152324) while in subpopulation AFR AF= 0.00657 (273/41572). AF 95% confidence interval is 0.00593. There are 2 homozygotes in gnomad4. There are 145 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ADGRG1NM_201525.4 linkuse as main transcriptc.174C>T p.Ile58Ile synonymous_variant 3/14 ENST00000562631.7 NP_958933.1 Q9Y653-2A0A0S2Z517

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ADGRG1ENST00000562631.7 linkuse as main transcriptc.174C>T p.Ile58Ile synonymous_variant 3/141 NM_201525.4 ENSP00000455351.2 Q9Y653-2

Frequencies

GnomAD3 genomes
AF:
0.00198
AC:
301
AN:
152206
Hom.:
2
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00654
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000720
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000191
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.000569
AC:
143
AN:
251484
Hom.:
0
AF XY:
0.000419
AC XY:
57
AN XY:
135922
show subpopulations
Gnomad AFR exome
AF:
0.00627
Gnomad AMR exome
AF:
0.000376
Gnomad ASJ exome
AF:
0.000298
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000176
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000376
AC:
549
AN:
1461852
Hom.:
0
Cov.:
32
AF XY:
0.000334
AC XY:
243
AN XY:
727228
show subpopulations
Gnomad4 AFR exome
AF:
0.00579
Gnomad4 AMR exome
AF:
0.000402
Gnomad4 ASJ exome
AF:
0.000497
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000116
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.000255
Gnomad4 OTH exome
AF:
0.000464
GnomAD4 genome
AF:
0.00199
AC:
303
AN:
152324
Hom.:
2
Cov.:
31
AF XY:
0.00195
AC XY:
145
AN XY:
74494
show subpopulations
Gnomad4 AFR
AF:
0.00657
Gnomad4 AMR
AF:
0.000719
Gnomad4 ASJ
AF:
0.000288
Gnomad4 EAS
AF:
0.000194
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000191
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.00107
Hom.:
0
Bravo
AF:
0.00233
ESP6500AA
AF:
0.00728
AC:
32
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000667
AC:
81
EpiCase
AF:
0.000218
EpiControl
AF:
0.000119

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:8
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:3
Likely benign, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoDec 31, 2015- -
Likely benign, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Oct 17, 2016- -
Likely benign, criteria provided, single submitterclinical testingAthena DiagnosticsSep 19, 2016- -
not provided Benign:2
Likely benign, criteria provided, single submitterclinical testingGeneDxApr 24, 2021- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
Bilateral frontoparietal polymicrogyria Benign:2
Benign, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaApr 27, 2017This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases was too high to be consistent with this variant causing disease. Therefore, this variant is classified as benign. -
Likely benign, no assertion criteria providedclinical testingNatera, Inc.Dec 10, 2019- -
ADGRG1-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesSep 17, 2019This variant is classified as likely 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_addAF
Benign
-0.63
T
BayesDel_noAF
Benign
-0.67
CADD
Benign
8.4
DANN
Benign
0.96
FATHMM_MKL
Benign
0.071
N
GERP RS
0.037

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
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: rs140963173; hg19: chr16-57685221; COSMIC: COSV65635960; COSMIC: COSV65635960; API