Variant 11-113983131-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_000869.6(HTR3A):c.386G>A(p.Gly129Glu) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,461,888 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

HTR3A
NM_000869.6 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.91

Variant links:

Genes affected

HTR3A (HGNC:5297): (5-hydroxytryptamine receptor 3A) The product of this gene belongs to the ligand-gated ion channel receptor superfamily. This gene encodes subunit A of the type 3 receptor for 5-hydroxytryptamine (serotonin), a biogenic hormone that functions as a neurotransmitter, a hormone, and a mitogen. This receptor causes fast, depolarizing responses in neurons after activation. It appears that the heteromeric combination of A and B subunits is necessary to provide the full functional features of this receptor, since either subunit alone results in receptors with very low conductance and response amplitude. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

HTR3A links:

HTR3A (HGNC:):

HTR3A links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
HTR3A	NM_000869.6 linkuse as main transcript	c.386G>A	p.Gly129Glu	missense_variant	5/9	ENST00000504030.7	NP_000860.3	P46098-1B4E398
HTR3A	NM_213621.4 linkuse as main transcript	c.386G>A	p.Gly129Glu	missense_variant	5/8		NP_998786.3	P46098-2B4E398
HTR3A	NM_001161772.3 linkuse as main transcript	c.341G>A	p.Gly114Glu	missense_variant	5/9		NP_001155244.1	P46098-3
HTR3A	NR_046363.2 linkuse as main transcript	n.604G>A		non_coding_transcript_exon_variant	5/8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
HTR3A	ENST00000504030.7 linkuse as main transcript	c.386G>A	p.Gly129Glu	missense_variant	5/9	1	NM_000869.6	ENSP00000424189.2		P46098-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000398

AC:

AN:

251486

Hom.:

AF XY:

0.00

AC XY:

AN XY:

135918

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461888

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727246

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jul 14, 2023

The c.404G>A (p.G135E) alteration is located in exon 5 (coding exon 5) of the HTR3A gene. This alteration results from a G to A substitution at nucleotide position 404, causing the glycine (G) at amino acid position 135 to be replaced by a glutamic acid (E). 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

Pathogenic

0.61

BayesDel_addAF

Uncertain

0.041

BayesDel_noAF

Uncertain

0.0

CADD

Pathogenic

DANN

Uncertain

0.99

DEOGEN2

Benign

0.19

T;.;.;.;.

Eigen

Uncertain

0.37

Eigen_PC

Uncertain

0.38

FATHMM_MKL

Uncertain

0.97

LIST_S2

Benign

0.83

T;T;T;T;T

M_CAP

Uncertain

0.11

MetaRNN

Uncertain

0.59

D;D;D;D;D

MetaSVM

Benign

-0.40

MutationAssessor

Benign

0.56

N;.;.;N;.

PrimateAI

Uncertain

0.78

PROVEAN

Benign

-0.64

N;N;N;N;N

REVEL

Uncertain

0.53

Sift

Benign

0.77

T;T;T;T;T

Sift4G

Benign

0.44

T;T;T;T;T

Vest4

0.60

MutPred

0.50

.;Gain of solvent accessibility (P = 0.0456);Gain of solvent accessibility (P = 0.0456);.;.;

MVP

0.85

MPC

0.40

ClinPred

0.87

GERP RS

3.5

Varity_R

0.17

gMVP

0.78

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over