3-8767481-G-T

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_000916.4(OXTR):c.707C>A(p.Ala236Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000825 in 1,454,450 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A236T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000083 ( 0 hom. )

Consequence

OXTR
NM_000916.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.30

Publications

0 publications found

Variant links:

Genes affected

OXTR (HGNC:8529): (oxytocin receptor) The protein encoded by this gene belongs to the G-protein coupled receptor family and acts as a receptor for oxytocin. Its activity is mediated by G proteins which activate a phosphatidylinositol-calcium second messenger system. The oxytocin-oxytocin receptor system plays an important role in the uterus during parturition. [provided by RefSeq, Jul 2008]

OXTR links:

CAV3 (HGNC:1529): (caveolin 3) This gene encodes a caveolin family member, which functions as a component of the caveolae plasma membranes found in most cell types. Caveolin proteins are proposed to be scaffolding proteins for organizing and concentrating certain caveolin-interacting molecules. Mutations identified in this gene lead to interference with protein oligomerization or intra-cellular routing, disrupting caveolae formation and resulting in Limb-Girdle muscular dystrophy type-1C (LGMD-1C), hyperCKemia or rippling muscle disease (RMD). Alternative splicing has been identified for this locus, with inclusion or exclusion of a differentially spliced intron. In addition, transcripts utilize multiple polyA sites and contain two potential translation initiation sites. [provided by RefSeq, Jul 2008]

CAV3 Gene-Disease associations (from GenCC):

caveolinopathy
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
autosomal dominant limb-girdle muscular dystrophy type 1C
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
long QT syndrome 9
Inheritance: AD Classification: MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics
rippling muscle disease 2
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
distal myopathy, Tateyama type
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
inherited rippling muscle disease
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Brugada syndrome
Inheritance: AD Classification: LIMITED Submitted by: Genomics England PanelApp
hypertrophic cardiomyopathy 1
Inheritance: AD Classification: LIMITED Submitted by: PanelApp Australia
long QT syndrome
Inheritance: AD Classification: LIMITED Submitted by: ClinGen

CAV3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.36447218).

BS2

High AC in GnomAdExome4 at 12 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OXTR	NM_000916.4 link	c.707C>A	p.Ala236Asp	missense_variant	Exon 3 of 4	ENST00000316793.8	NP_000907.2	P30559B2R9L7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
OXTR	ENST00000316793.8 link	c.707C>A	p.Ala236Asp	missense_variant	Exon 3 of 4	1	NM_000916.4	ENSP00000324270.2		P30559
CAV3	ENST00000472766.1 link	n.156-9996G>T		intron_variant	Intron 1 of 2	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000867

AC:

AN:

230706

AF XY:

0.00000793

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000199

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000825

AC:

AN:

1454450

Hom.:

Cov.:

AF XY:

0.00000830

AC XY:

AN XY:

722960

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33258

American (AMR)

AF:

0.00

AC:

AN:

43690

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25932

East Asian (EAS)

AF:

0.00

AC:

AN:

39470

South Asian (SAS)

AF:

0.00

AC:

AN:

85556

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52072

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

0.00000902

AC:

AN:

1108662

Other (OTH)

AF:

0.0000333

AC:

AN:

60054

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ExAC

AF:

0.00000826

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Aug 15, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.707C>A (p.A236D) alteration is located in exon 3 (coding exon 1) of the OXTR gene. This alteration results from a C to A substitution at nucleotide position 707, causing the alanine (A) at amino acid position 236 to be replaced by an aspartic acid (D). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.029

BayesDel_noAF

Benign

-0.28

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.11

Eigen

Benign

-0.26

Eigen_PC

Benign

-0.32

FATHMM_MKL

Benign

0.44

LIST_S2

Benign

0.70

M_CAP

Benign

0.026

MetaRNN

Benign

0.36

MetaSVM

Benign

-0.59

MutationAssessor

Benign

1.4

PhyloP100

1.3

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-1.1

REVEL

Benign

0.22

Sift

Benign

0.21

Sift4G

Benign

0.58

Polyphen

0.80

Vest4

0.34

MutPred

0.51

Gain of solvent accessibility (P = 0.0202);

MVP

0.70

MPC

0.91

ClinPred

0.31

GERP RS

4.4

Varity_R

0.35

gMVP

0.87

Mutation Taster

=78/22

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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3-8767481-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over