Genetic Variant TACR1:p.Thr222Ser (chr2-75053676-T-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_001058.4(TACR1):c.664A>T(p.Thr222Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000036 in 1,612,308 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000036 ( 0 hom. )

Consequence

TACR1
NM_001058.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.93

Variant links:

Genes affected

TACR1 (HGNC:11526): (tachykinin receptor 1) This gene belongs to a gene family of tachykinin receptors. These tachykinin receptors are characterized by interactions with G proteins and contain seven hydrophobic transmembrane regions. This gene encodes the receptor for the tachykinin substance P, also referred to as neurokinin 1. The encoded protein is also involved in the mediation of phosphatidylinositol metabolism of substance P. [provided by RefSeq, Sep 2008]

TACR1 links:

Genome browser will be placed here

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 rank	MANE	Protein	UniProt
TACR1	NM_001058.4 link	c.664A>T	p.Thr222Ser	missense_variant	Exon 3 of 5	ENST00000305249.10	NP_001049.1	P25103-1
TACR1	NM_015727.3 link	c.664A>T	p.Thr222Ser	missense_variant	Exon 3 of 4		NP_056542.1	P25103-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TACR1	ENST00000305249.10 link	c.664A>T	p.Thr222Ser	missense_variant	Exon 3 of 5	1	NM_001058.4	ENSP00000303522.4		P25103-1
TACR1	ENST00000409848.3 link	c.664A>T	p.Thr222Ser	missense_variant	Exon 3 of 4	1		ENSP00000386448.3		P25103-3

Frequencies

GnomAD3 genomes

AF:

0.0000394

AC:

AN:

152150

Hom.:

Cov.:

show subpopulations

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:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.000956

GnomAD3 exomes

AF:

0.00000804

AC:

AN:

248638

Hom.:

AF XY:

0.00000745

AC XY:

AN XY:

134220

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000178

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000356

AC:

AN:

1460040

Hom.:

Cov.:

AF XY:

0.0000289

AC XY:

AN XY:

726152

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:

0.0000450

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.0000394

AC:

AN:

152268

Hom.:

Cov.:

AF XY:

0.0000672

AC XY:

AN XY:

74446

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000441

Gnomad4 OTH

AF:

0.000946

Alfa

AF:

0.000113

Hom.:

Bravo

AF:

0.0000227

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

Sep 25, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.664A>T (p.T222S) alteration is located in exon 3 (coding exon 3) of the TACR1 gene. This alteration results from a A to T substitution at nucleotide position 664, causing the threonine (T) at amino acid position 222 to be replaced by a serine (S). 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

Uncertain

0.049

BayesDel_noAF

Benign

-0.15

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.39

T;.

Eigen

Benign

0.13

Eigen_PC

Uncertain

0.28

FATHMM_MKL

Benign

0.74

LIST_S2

Benign

0.76

T;T

M_CAP

Benign

0.0092

MetaRNN

Uncertain

0.54

D;D

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.4

L;L

PrimateAI

Pathogenic

0.81

PROVEAN

Benign

-1.9

N;N

REVEL

Benign

0.21

Sift

Benign

0.073

T;T

Sift4G

Benign

0.23

T;T

Polyphen

0.074

B;.

Vest4

0.67

MutPred

0.62

Gain of disorder (P = 0.0452);Gain of disorder (P = 0.0452);

MVP

0.34

MPC

0.32

ClinPred

0.64

GERP RS

5.0

Varity_R

0.34

gMVP

0.41

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