Genetic Variant NM_006143.3:c.482T>C (chr12-12661967-A-G) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_006143.3(GPR19):c.482T>C(p.Ile161Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000821 in 1,461,886 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

GPR19
NM_006143.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.26

Publications

0 publications found

Variant links:

Genes affected

GPR19 (HGNC:4473): (G protein-coupled receptor 19) Predicted to enable G protein-coupled receptor activity. Predicted to be involved in G protein-coupled receptor signaling pathway. Located in cilium. [provided by Alliance of Genome Resources, Apr 2022]

GPR19 links:

ENSG00000257004 (HGNC:):

ENSG00000257004 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.3596316).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GPR19	NM_006143.3 link	c.482T>C	p.Ile161Thr	missense_variant	Exon 4 of 4	ENST00000651487.1	NP_006134.2	Q15760Q6IBH2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
GPR19	ENST00000651487.1 link	c.482T>C	p.Ile161Thr	missense_variant	Exon 4 of 4		NM_006143.3	ENSP00000498976.1	Q15760
GPR19	ENST00000332427.6 link	c.482T>C	p.Ile161Thr	missense_variant	Exon 4 of 4	4		ENSP00000333744.2	Q15760
GPR19	ENST00000540510.1 link	c.482T>C	p.Ile161Thr	missense_variant	Exon 2 of 2	2		ENSP00000441832.1	Q15760
ENSG00000257004	ENST00000817557.1 link	n.465+4003A>G		intron_variant	Intron 1 of 1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000199

AC:

AN:

251354

AF XY:

0.0000221

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000821

AC:

AN:

1461886

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

727244

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000812

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1112004

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.513

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.:

ExAC

AF:

0.0000165

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

May 20, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.482T>C (p.I161T) alteration is located in exon 4 (coding exon 1) of the GPR19 gene. This alteration results from a T to C substitution at nucleotide position 482, causing the isoleucine (I) at amino acid position 161 to be replaced by a threonine (T). 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

0.13

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.27

CADD

Uncertain

(source)

DANN

Benign

0.93

DEOGEN2

Benign

0.37

T;T

Eigen

Benign

-0.18

Eigen_PC

Benign

-0.081

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.89

.;D

M_CAP

Benign

0.015

MetaRNN

Benign

0.36

T;T

MetaSVM

Benign

-0.97

MutationAssessor

Uncertain

2.2

M;M

PhyloP100

9.3

PrimateAI

Uncertain

0.69

PROVEAN

Uncertain

-3.4

D;D

REVEL

Benign

0.26

Sift

Uncertain

0.0070

D;D

Sift4G

Uncertain

0.010

D;D

Polyphen

0.12

B;B

Vest4

0.42

MutPred

0.53

Loss of stability (P = 2e-04);Loss of stability (P = 2e-04);

MVP

0.22

MPC

0.77

ClinPred

0.51

GERP RS

4.5

Varity_R

0.44

Mutation Taster

=75/25

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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NM_006143.3:c.482T>C

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