Genetic Variant AGTR2:c.*645T>C (chrX-116174017-T-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_000686.5(AGTR2):c.*645T>C variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000178 in 112,369 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000018 ( 0 hom., 1 hem., cov: 23)

Consequence

AGTR2
NM_000686.5 3_prime_UTR

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.304

Publications

1 publications found

Variant links:

Genes affected

AGTR2 (HGNC:338): (angiotensin II receptor type 2) The protein encoded by this gene belongs to the G-protein coupled receptor 1 family, and functions as a receptor for angiotensin II. It is an intergral membrane protein that is highly expressed in fetus and in neonates, but scantily in adult tissues, except brain, adrenal medulla, and atretic ovary. This receptor has been shown to mediate programmed cell death and this apoptotic function may play an important role in developmental biology and pathophysiology. Mutations in this gene are been associated with X-linked cognitive disability. Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV) and SARS-CoV-2 infection results in down-regulation of angiotensin converting enzyme-2 (ACE2) receptors, the effects of which, triggers serious inflammatory lesions in the tissues involved, primarily in the lungs. The inflammatory reaction appears to be mediated by angiotensin II derivatives, including the angiotensin AT2 receptor which has been found to be upregulated in bronchoalveolar lavage samples from Coronavirus disease 2019 (COVID19) patients. [provided by RefSeq, Jul 2020]

AGTR2 Gene-Disease associations (from GenCC):

non-syndromic X-linked intellectual disability
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet
X-linked complex neurodevelopmental disorder
Inheritance: XL Classification: NO_KNOWN Submitted by: ClinGen

AGTR2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.86).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
AGTR2	NM_000686.5 link	c.*645T>C		3_prime_UTR_variant	Exon 3 of 3	ENST00000371906.5	NP_000677.2
AGTR2	NM_001385624.1 link	c.*645T>C		3_prime_UTR_variant	Exon 2 of 2		NP_001372553.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
AGTR2	ENST00000371906.5 link	c.*645T>C		3_prime_UTR_variant	Exon 3 of 3	1	NM_000686.5	ENSP00000360973.4

Frequencies

GnomAD3 genomes

AF:

0.0000178

AC:

AN:

112316

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:

0.0000376

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.0000178

AC:

AN:

112369

Hom.:

Cov.:

AF XY:

0.0000290

AC XY:

AN XY:

34539

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31036

American (AMR)

AF:

0.00

AC:

AN:

10573

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2657

East Asian (EAS)

AF:

0.00

AC:

AN:

3574

South Asian (SAS)

AF:

0.00

AC:

AN:

2764

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6127

Middle Eastern (MID)

AF:

0.00

AC:

AN:

213

European-Non Finnish (NFE)

AF:

0.0000376

AC:

AN:

53221

Other (OTH)

AF:

0.00

AC:

AN:

1521

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000227

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.86

CADD

Benign

1.4

(source)

DANN

Benign

0.47

PhyloP100

-0.30

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over