rs4920564

Variant names:

• chr1-18852610-G-A
• rs4920564
• NM_152232.6:c.1257+1603C>T

Your query was ambiguous. Multiple possible variants found:

• chr1-18852610-G-A
• chr1-18852610-G-T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_152232.6(TAS1R2):​c.1257+1603C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000329 in 151,954 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0.000033 (0 hom., cov: 31)
• Consequence: TAS1R2 NM_152232.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.0780
• Publications: 3 publications found

Genes affected

TAS1R2 (HGNC:14905): (taste 1 receptor member 2) Contributes to sweet taste receptor activity. Involved in detection of chemical stimulus involved in sensory perception of sweet taste and positive regulation of cytokinesis. Part of sweet taste receptor complex. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

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=-0.88).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TAS1R2	NM_152232.6	c.1257+1603C>T		intron_variant	Intron 3 of 5	ENST00000375371.4	NP_689418.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TAS1R2	ENST00000375371.4	c.1257+1603C>T		intron_variant	Intron 3 of 5	2	NM_152232.6	ENSP00000364520.3

Frequencies

GnomAD3 genomes AF: 0.0000329 AC: 5 AN: 151954 Hom.: 0 Cov.: 31

Gnomad AFR AF: 0.0000242

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: 0.0000588

Gnomad OTH AF: 0.00

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0000329 AC: 5 AN: 151954 Hom.: 0 Cov.: 31 AF XY: 0.0000404 AC XY: 3 AN XY: 74194

African (AFR) AF: 0.0000242 AC: 1 AN: 41368

American (AMR) AF: 0.00 AC: 0 AN: 15268

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3466

East Asian (EAS) AF: 0.00 AC: 0 AN: 5182

South Asian (SAS) AF: 0.00 AC: 0 AN: 4814

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10568

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 314

European-Non Finnish (NFE) AF: 0.0000588 AC: 4 AN: 67974

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 58248

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.88
CADD	Benign	2.4
DANN	Benign	0.96
PhyloP100		-0.078

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

Other links and lift over

dbSNP: rs4920564; hg19: chr1-19179104;