Genetic Variant NM_001198671.2:c.455A>G (chr11-120330232-A-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_001198671.2(TLCD5):c.455A>G(p.Tyr152Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000631 in 1,554,028 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000063 ( 0 hom. )

Consequence

TLCD5
NM_001198671.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.21

Variant links:

Genes affected

TLCD5 (HGNC:28280): (TLC domain containing 5) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TLCD5 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.799

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TLCD5	NM_001198671.2 link	c.455A>G	p.Tyr152Cys	missense_variant	Exon 3 of 3	ENST00000375095.3	NP_001185600.1	Q6ZRR5-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TLCD5	ENST00000375095.3 link	c.455A>G	p.Tyr152Cys	missense_variant	Exon 3 of 3	2	NM_001198671.2	ENSP00000364236.3	Q6ZRR5-1
TLCD5	ENST00000529187.1 link	c.339-175A>G		intron_variant	Intron 3 of 3	1		ENSP00000434862.1	Q6ZRR5-4
TLCD5	ENST00000314475.6 link	c.521A>G	p.Tyr174Cys	missense_variant	Exon 3 of 3	2		ENSP00000312672.2	Q6ZRR5-3
TLCD5	ENST00000531346.1 link	n.329A>G		non_coding_transcript_exon_variant	Exon 2 of 2	2

Frequencies

GnomAD3 genomes

AF:

0.0000657

AC:

AN:

152214

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

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:

0.0000735

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.0000610

AC:

AN:

163988

Hom.:

AF XY:

0.0000347

AC XY:

AN XY:

86466

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000239

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:

0.0000459

Gnomad OTH exome

AF:

0.000214

GnomAD4 exome

AF:

0.0000628

AC:

AN:

1401696

Hom.:

Cov.:

AF XY:

0.0000607

AC XY:

AN XY:

692164

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000167

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:

0.0000730

Gnomad4 OTH exome

AF:

0.0000515

GnomAD4 genome

AF:

0.0000656

AC:

AN:

152332

Hom.:

Cov.:

AF XY:

0.0000537

AC XY:

AN XY:

74486

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.000261

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000735

Gnomad4 OTH

AF:

0.000473

Alfa

AF:

0.000260

Hom.:

Bravo

AF:

0.000121

ExAC

AF:

0.0000361

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 02, 2025

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.521A>G (p.Y174C) alteration is located in exon 3 (coding exon 2) of the TMEM136 gene. This alteration results from a A to G substitution at nucleotide position 521, causing the tyrosine (Y) at amino acid position 174 to be replaced by a cysteine (C). 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

Uncertain

0.47

BayesDel_addAF

Pathogenic

0.20

BayesDel_noAF

Pathogenic

0.34

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.81

D;.

Eigen

Pathogenic

0.87

Eigen_PC

Pathogenic

0.86

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.88

D;D

M_CAP

Uncertain

0.12

MetaRNN

Pathogenic

0.80

D;D

MetaSVM

Uncertain

0.54

MutationAssessor

Uncertain

2.6

M;.

PrimateAI

Uncertain

0.72

PROVEAN

Pathogenic

-4.8

D;D

REVEL

Pathogenic

0.81

Sift

Pathogenic

0.0

D;D

Sift4G

Uncertain

0.0040

D;D

Polyphen

1.0

D;D

Vest4

0.85

MVP

0.94

MPC

0.50

ClinPred

0.73

GERP RS

6.1

Varity_R

0.77

gMVP

0.75

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