11-2407163-C-A

Position:

• chr11-2407163-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_014555.4(TRPM5):​c.3074G>T​(p.Arg1025Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: TRPM5 NM_014555.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.762

Genes affected

TRPM5 (HGNC:14323): (transient receptor potential cation channel subfamily M member 5) This gene encodes a member of the transient receptor potential (TRP) protein family, which is a diverse group of proteins with structural features typical of ion channels. This protein plays an important role in taste transduction, and has characteristics of a calcium-activated, non-selective cation channel that carries Na+, K+, and Cs+ ions equally well, but not Ca(2+) ions. It is activated by lower concentrations of intracellular Ca(2+), and inhibited by higher concentrations. It is also a highly temperature-sensitive, heat activated channel showing a steep increase of inward currents at temperatures between 15 and 35 degrees Celsius. This gene is located within the Beckwith-Wiedemann syndrome critical region-1 on chromosome 11p15.5, and has been shown to be imprinted, with exclusive expression from the paternal allele. [provided by RefSeq, Oct 2010]

(HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.15342495).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TRPM5	NM_014555.4	c.3074G>T	p.Arg1025Leu	missense_variant	25/29	ENST00000696290.1
TRPM5	XM_017017628.2	c.3128G>T	p.Arg1043Leu	missense_variant	22/26
TRPM5	XM_047426858.1	c.3128G>T	p.Arg1043Leu	missense_variant	22/26
TRPM5	XM_047426859.1	c.1925G>T	p.Arg642Leu	missense_variant	13/17

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TRPM5	ENST00000696290.1	c.3074G>T	p.Arg1025Leu	missense_variant	25/29		NM_014555.4	P2
	ENST00000433035.1	n.320-661C>A		intron_variant, non_coding_transcript_variant		5

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 1458024 Hom.: 0 Cov.: 36 AF XY: 0.00 AC XY: 0 AN XY: 725118

Gnomad4 AFR exome AF: 0.00

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.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jul 11, 2023

The c.3074G>T (p.R1025L) alteration is located in exon 20 (coding exon 20) of the TRPM5 gene. This alteration results from a G to T substitution at nucleotide position 3074, causing the arginine (R) at amino acid position 1025 to be replaced by a leucine (L). 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	Benign	-0.17	T
BayesDel_noAF	Benign	-0.49
CADD	Benign	4.4
DANN	Benign	0.95
DEOGEN2	Uncertain	0.60	.;D;.;.
Eigen	Benign	-0.94
Eigen_PC	Benign	-0.99
FATHMM_MKL	Benign	0.077	N
LIST_S2	Benign	0.60	T;T;T;T
M_CAP	Benign	0.066	D
MetaRNN	Benign	0.15	T;T;T;T
MetaSVM	Benign	-0.98	T
MutationAssessor	Benign	1.3	.;L;.;.
MutationTaster	Benign	1.0	N;N;N;N
PrimateAI	Benign	0.35	T
PROVEAN	Uncertain	-3.8	D;D;D;D
REVEL	Benign	0.072
Sift	Benign	0.074	T;T;T;T
Sift4G	Benign	0.12	T;T;T;T
Polyphen		0.0020, 0.0	.;B;B;.
Vest4		0.37, 0.32, 0.37
MutPred		0.53		.;Loss of MoRF binding (P = 0.0197);Loss of MoRF binding (P = 0.0197);Loss of MoRF binding (P = 0.0197);
MVP		0.15
MPC		0.22
ClinPred		0.10	T
GERP RS		2.0
Varity_R		0.092
gMVP		0.50

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr11-2428393;