rs186479054

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_201525.4(ADGRG1):​c.1017+8G>A variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00293 in 1,614,018 control chromosomes in the GnomAD database, including 11 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 Likely benign (★★).

Frequency

Genomes: 𝑓 0.0019 ( 1 hom., cov: 32)
Exomes 𝑓: 0.0030 ( 10 hom. )

Consequence

ADGRG1
NM_201525.4 splice_region, intron

Scores

2
Splicing: ADA: 0.00001787
2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:9

Conservation

PhyloP100: -0.441

Publications

1 publications found
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]
ADGRG1 Gene-Disease associations (from GenCC):
  • bilateral frontoparietal polymicrogyria
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen, G2P

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BP6
Variant 16-57656000-G-A is Benign according to our data. Variant chr16-57656000-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 158612.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population nfe. GnomAdExome4 allele frequency = 0.00303 (4436/1461676) while in subpopulation NFE AF = 0.00339 (3775/1111988). AF 95% confidence interval is 0.0033. There are 10 homozygotes in GnomAdExome4. There are 2145 alleles in the male GnomAdExome4 subpopulation. Median coverage is 39. This position passed quality control check.
BS2
High Homozygotes in GnomAdExome4 at 10 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ADGRG1NM_201525.4 linkc.1017+8G>A splice_region_variant, intron_variant Intron 7 of 13 ENST00000562631.7 NP_958933.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ADGRG1ENST00000562631.7 linkc.1017+8G>A splice_region_variant, intron_variant Intron 7 of 13 1 NM_201525.4 ENSP00000455351.2

Frequencies

GnomAD3 genomes
AF:
0.00195
AC:
297
AN:
152224
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000603
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00216
Gnomad ASJ
AF:
0.00864
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00288
Gnomad OTH
AF:
0.00143
GnomAD2 exomes
AF:
0.00203
AC:
509
AN:
250926
AF XY:
0.00204
show subpopulations
Gnomad AFR exome
AF:
0.000435
Gnomad AMR exome
AF:
0.00257
Gnomad ASJ exome
AF:
0.00775
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00102
Gnomad NFE exome
AF:
0.00257
Gnomad OTH exome
AF:
0.00343
GnomAD4 exome
AF:
0.00303
AC:
4436
AN:
1461676
Hom.:
10
Cov.:
39
AF XY:
0.00295
AC XY:
2145
AN XY:
727148
show subpopulations
African (AFR)
AF:
0.000597
AC:
20
AN:
33480
American (AMR)
AF:
0.00280
AC:
125
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00834
AC:
218
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00143
AC:
76
AN:
53280
Middle Eastern (MID)
AF:
0.00105
AC:
6
AN:
5736
European-Non Finnish (NFE)
AF:
0.00339
AC:
3775
AN:
1111988
Other (OTH)
AF:
0.00358
AC:
216
AN:
60378
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.490
Heterozygous variant carriers
0
258
517
775
1034
1292
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
158
316
474
632
790
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00195
AC:
297
AN:
152342
Hom.:
1
Cov.:
32
AF XY:
0.00153
AC XY:
114
AN XY:
74506
show subpopulations
African (AFR)
AF:
0.000601
AC:
25
AN:
41582
American (AMR)
AF:
0.00216
AC:
33
AN:
15300
Ashkenazi Jewish (ASJ)
AF:
0.00864
AC:
30
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.000941
AC:
10
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00288
AC:
196
AN:
68034
Other (OTH)
AF:
0.00142
AC:
3
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
15
30
44
59
74
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00264
Hom.:
0
Bravo
AF:
0.00232

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:9
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:3
Sep 18, 2015
Genetic Services Laboratory, University of Chicago
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Feb 09, 2018
GeneDx
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Jul 07, 2015
Eurofins Ntd Llc (ga)
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:3
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Oct 31, 2017
Athena Diagnostics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Bilateral frontoparietal polymicrogyria Benign:2
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -

Feb 26, 2021
Natera, Inc.
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

ADGRG1-related disorder Benign:1
May 08, 2019
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This 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
-0.87
CADD
Benign
0.68
DANN
Benign
0.57
PhyloP100
-0.44
Mutation Taster
=100/0
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000018
dbscSNV1_RF
Benign
0.0
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs186479054; hg19: chr16-57689912; API