Genetic Variant ADGRG4:p.Glu195Gln (chrX-136323290-G-C) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_153834.4(ADGRG4):c.583G>C(p.Glu195Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000745 in 1,208,824 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 4 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E195K) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000090 ( 0 hom., 0 hem., cov: 22)

Exomes 𝑓: 0.0000073 ( 0 hom. 4 hem. )

Consequence

ADGRG4
NM_153834.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.31

Publications

7 publications found

Variant links:

Genes affected

ADGRG4 (HGNC:18992): (adhesion G protein-coupled receptor G4) This gene encodes a G-protein coupled receptor belonging to a large family of diverse integral membrane proteins that participate in various physiological functions. Members of this superfamily are characterized by a signature 7-transmembrane domain motif. The ligand for this family member is unknown, and it is therefore an orphan receptor. This receptor is known to be expressed in normal enterochromaffin cells and in gastrointestinal neuroendocrine carcinoma cells, and it is therefore considered to be a novel biomarker or target for immunotherapy. [provided by RefSeq, May 2010]

ADGRG4 Gene-Disease associations (from GenCC):

autism spectrum disorder
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

ADGRG4 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.21550521).

BS2

High AC in GnomAdExome4 at 8 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_153834.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ADGRG4	NM_153834.4	MANE Select	c.583G>C	p.Glu195Gln	missense	Exon 5 of 26	NP_722576.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ADGRG4	ENST00000394143.6	TSL:1 MANE Select	c.583G>C	p.Glu195Gln	missense	Exon 5 of 26	ENSP00000377699.1	Q8IZF6-1
ADGRG4	ENST00000394141.1	TSL:1	c.70+14443G>C		intron	N/A	ENSP00000377697.1	Q8IZF6-3
ADGRG4	ENST00000370652.5	TSL:5	c.583G>C	p.Glu195Gln	missense	Exon 3 of 24	ENSP00000359686.1	Q8IZF6-1

Frequencies

GnomAD3 genomes

AF:

0.00000901

AC:

AN:

110988

Hom.:

Cov.:

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000189

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000729

AC:

AN:

1097836

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

363196

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26390

American (AMR)

AF:

0.00

AC:

AN:

35206

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19384

East Asian (EAS)

AF:

0.00

AC:

AN:

30204

South Asian (SAS)

AF:

0.00

AC:

AN:

54137

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40532

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4137

European-Non Finnish (NFE)

AF:

0.00000950

AC:

AN:

841760

Other (OTH)

AF:

0.00

AC:

AN:

46086

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

<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:

0.00000901

AC:

AN:

110988

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

33178

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

30492

American (AMR)

AF:

0.00

AC:

AN:

10389

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2634

East Asian (EAS)

AF:

0.00

AC:

AN:

3559

South Asian (SAS)

AF:

0.00

AC:

AN:

2575

European-Finnish (FIN)

AF:

0.00

AC:

AN:

5893

Middle Eastern (MID)

AF:

0.00

AC:

AN:

240

European-Non Finnish (NFE)

AF:

0.0000189

AC:

AN:

53022

Other (OTH)

AF:

0.00

AC:

AN:

1498

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.34

BayesDel_noAF

Benign

-0.72

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.014

FATHMM_MKL

Benign

0.24

LIST_S2

Benign

0.60

M_CAP

Benign

0.020

MetaRNN

Benign

0.22

MetaSVM

Benign

-0.77

PhyloP100

1.3

PrimateAI

Benign

0.35

PROVEAN

Benign

-1.3

REVEL

Benign

0.027

Sift

Uncertain

0.023

Sift4G

Pathogenic

0.0

Polyphen

0.99

Vest4

0.39

MutPred

0.32

Gain of ubiquitination at K199 (P = 0.0571)

MVP

0.21

MPC

0.25

ClinPred

0.69

GERP RS

3.6

Varity_R

0.12

gMVP

0.29

Mutation Taster

=98/2

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over