chr3-46500519-A-G

Variant names:

• chr3-46500519-A-G
• rs1703694410
• NM_031440.2:c.319A>G

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_031440.2(RTP3):​c.319A>G​(p.Thr107Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000131 in 152,238 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: 𝑓 0.000013 (0 hom., cov: 32)
• Consequence: RTP3 NM_031440.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.69
• Publications: 0 publications found

Genes affected

RTP3 (HGNC:15572): (receptor transporter protein 3) Predicted to enable olfactory receptor binding activity. Involved in detection of chemical stimulus involved in sensory perception of bitter taste and protein targeting to membrane. Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.15588826).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_031440.2. 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
	RTP3	NM_031440.2	MANE Select	c.319A>G	p.Thr107Ala	missense	Exon 2 of 2	NP_113628.1	Q9BQQ7

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RTP3	ENST00000296142.4	TSL:1 MANE Select	c.319A>G	p.Thr107Ala	missense	Exon 2 of 2	ENSP00000296142.3	Q9BQQ7
	RTP3	ENST00000684260.1		c.319A>G	p.Thr107Ala	missense	Exon 3 of 3	ENSP00000507138.1	Q9BQQ7

Frequencies

GnomAD3 genomes AF: 0.0000131 AC: 2 AN: 152238 Hom.: 0 Cov.: 32

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: 0.0000294

Gnomad OTH AF: 0.00

GnomAD4 exome Cov.: 31

GnomAD4 genome AF: 0.0000131 AC: 2 AN: 152238 Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1 AN XY: 74380

African (AFR) AF: 0.00 AC: 0 AN: 41460

American (AMR) AF: 0.00 AC: 0 AN: 15290

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5200

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10626

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000294 AC: 2 AN: 68036

Other (OTH) AF: 0.00 AC: 0 AN: 2094

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.19
BayesDel_addAF	Benign	-0.18	T
BayesDel_noAF	Benign	-0.50
CADD	Benign	22
DANN	Uncertain	0.99
DEOGEN2	Benign	0.036	T
Eigen	Benign	0.084
Eigen_PC	Benign	-0.044
FATHMM_MKL	Benign	0.41	N
LIST_S2	Benign	0.57	T
M_CAP	Benign	0.0078	T
MetaRNN	Benign	0.16	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Uncertain	2.3	M
PhyloP100		1.7
PrimateAI	Benign	0.36	T
PROVEAN	Uncertain	-2.7	D
REVEL	Benign	0.040
Sift	Benign	0.080	T
Sift4G	Uncertain	0.017	D
Polyphen		0.98	D
Vest4		0.28
MutPred		0.20		Loss of glycosylation at P104 (P = 0.064)
MVP		0.28
MPC		0.27
ClinPred		0.94	D
GERP RS		3.5
Varity_R		0.093
gMVP		0.15
Mutation Taster		=97/3	polymorphism

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: rs1703694410; hg19: chr3-46542009;