17-1710212-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001164407.2(TLCD2):​c.31G>A​(p.Ala11Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000655 in 1,525,890 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/19 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)
Exomes 𝑓: 0.0000058 ( 0 hom. )

Consequence

TLCD2
NM_001164407.2 missense

Scores

5
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.785
Variant links:
Genes affected
TLCD2 (HGNC:33522): (TLC domain containing 2) Involved in several processes, including membrane assembly; phospholipid homeostasis; and regulation of membrane lipid distribution. Located in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

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=0.088147014).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TLCD2NM_001164407.2 linkuse as main transcriptc.31G>A p.Ala11Thr missense_variant 1/4 ENST00000330676.8 NP_001157879.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TLCD2ENST00000330676.8 linkuse as main transcriptc.31G>A p.Ala11Thr missense_variant 1/42 NM_001164407.2 ENSP00000331965 P1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152188
Hom.:
0
Cov.:
32
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:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000411
AC:
5
AN:
121588
Hom.:
0
AF XY:
0.0000299
AC XY:
2
AN XY:
66928
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000528
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000582
AC:
8
AN:
1373702
Hom.:
0
Cov.:
32
AF XY:
0.00000886
AC XY:
6
AN XY:
677548
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000173
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000186
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152188
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74336
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000302

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 30, 2024The c.31G>A (p.A11T) alteration is located in exon 1 (coding exon 1) of the TLCD2 gene. This alteration results from a G to A substitution at nucleotide position 31, causing the alanine (A) at amino acid position 11 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
0.098
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.47
CADD
Benign
14
DANN
Uncertain
0.99
DEOGEN2
Benign
0.014
T
Eigen
Benign
-0.62
Eigen_PC
Benign
-0.70
FATHMM_MKL
Benign
0.11
N
M_CAP
Benign
0.052
D
MetaRNN
Benign
0.088
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Uncertain
2.3
M
MutationTaster
Benign
1.0
N
PrimateAI
Uncertain
0.63
T
PROVEAN
Benign
-1.3
N
REVEL
Benign
0.0070
Sift
Uncertain
0.018
D
Sift4G
Uncertain
0.018
D
Vest4
0.16
MutPred
0.42
Gain of sheet (P = 0.0221);
MVP
0.014
ClinPred
0.079
T
GERP RS
2.5
Varity_R
0.046
gMVP
0.19

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.

Other links and lift over

dbSNP: rs1205579891; hg19: chr17-1613506; API