Variant 2-20701588-T-C details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_021925.4(LDAH):c.768A>G(p.Ile256Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,990 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 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

LDAH
NM_021925.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.135

Variant links:

Genes affected

LDAH (HGNC:26145): (lipid droplet associated hydrolase) Predicted to enable lipase activity. Predicted to be involved in lipid storage. Predicted to be located in endoplasmic reticulum. Predicted to be active in lipid droplet. [provided by Alliance of Genome Resources, Apr 2022]

LDAH 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, 0.794

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
LDAH	NM_021925.4 linkuse as main transcript	c.768A>G	p.Ile256Met	missense_variant	6/7	ENST00000237822.8	NP_068744.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
LDAH	ENST00000237822.8 linkuse as main transcript	c.768A>G	p.Ile256Met	missense_variant	6/7	1	NM_021925.4	ENSP00000237822	P1	Q9H6V9-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152234

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:

0.000192

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461756

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727166

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000504

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

AF:

0.00000657

AC:

AN:

152234

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74368

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000192

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000756

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 submitter

clinical testing

Ambry Genetics

Jan 11, 2023

The c.768A>G (p.I256M) alteration is located in exon 6 (coding exon 5) of the LDAH gene. This alteration results from a A to G substitution at nucleotide position 768, causing the isoleucine (I) at amino acid position 256 to be replaced by a methionine (M). 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

0.23

BayesDel_addAF

Benign

-0.0013

BayesDel_noAF

Benign

-0.24

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.075

.;.;T;T;T;T;.;.

Eigen

Uncertain

0.20

Eigen_PC

Benign

0.089

FATHMM_MKL

Benign

0.46

LIST_S2

Benign

0.81

.;T;T;T;T;T;T;T

M_CAP

Benign

0.034

MetaRNN

Pathogenic

0.79

D;D;D;D;D;D;D;D

MetaSVM

Benign

-0.81

MutationTaster

Benign

0.98

D;D;D;D;D;D

PROVEAN

Uncertain

-2.7

.;D;.;D;D;D;.;N

REVEL

Uncertain

0.30

Sift

Uncertain

0.0020

.;D;.;D;D;D;.;D

Sift4G

Uncertain

0.0030

D;D;D;D;D;D;D;.

Polyphen

0.98

.;.;.;.;D;D;.;.

Vest4

0.46

MutPred

0.81

.;.;.;.;Loss of methylation at K257 (P = 0.0267);Loss of methylation at K257 (P = 0.0267);.;.;

MVP

0.71

MPC

0.51

ClinPred

0.98

GERP RS

2.7

Varity_R

0.74

gMVP

0.63

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