Variant chr22-43923868-C-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_025225.3(PNPLA3):c.-44C>G variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000613 in 1,444,934 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00082 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00059 ( 0 hom. )

Consequence

PNPLA3
NM_025225.3 5_prime_UTR

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.332

Variant links:

Genes affected

PNPLA3 (HGNC:18590): (patatin like phospholipase domain containing 3) The protein encoded by this gene is a triacylglycerol lipase that mediates triacylglycerol hydrolysis in adipocytes. The encoded protein, which appears to be membrane bound, may be involved in the balance of energy usage/storage in adipocytes. [provided by RefSeq, Jul 2008]

PNPLA3 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.79).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PNPLA3	NM_025225.3 linkuse as main transcript	c.-44C>G		5_prime_UTR_variant	1/9	ENST00000216180.8

Ensembl

Gene	Transcript	HGVSc	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PNPLA3	ENST00000216180.8 linkuse as main transcript	c.-44C>G	5_prime_UTR_variant	1/9	1	NM_025225.3	P1	Q9NST1-1
PNPLA3	ENST00000423180.2 linkuse as main transcript	c.-44C>G	5_prime_UTR_variant	1/9	2			Q9NST1-2
PNPLA3	ENST00000406117.6 linkuse as main transcript	c.-44C>G	5_prime_UTR_variant, NMD_transcript_variant	1/10	2

Frequencies

GnomAD3 genomes

AF:

0.000816

AC:

124

AN:

152014

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000725

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000524

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00405

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00102

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.000434

AC:

AN:

64468

Hom.:

AF XY:

0.000529

AC XY:

AN XY:

35904

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000372

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00206

Gnomad NFE exome

AF:

0.000526

Gnomad OTH exome

AF:

0.00164

GnomAD4 exome

AF:

0.000589

AC:

762

AN:

1292920

Hom.:

Cov.:

AF XY:

0.000594

AC XY:

375

AN XY:

631008

show subpopulations

Gnomad4 AFR exome

AF:

0.0000763

Gnomad4 AMR exome

AF:

0.000540

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00239

Gnomad4 NFE exome

AF:

0.000633

Gnomad4 OTH exome

AF:

0.000260

GnomAD4 genome

AF:

0.000816

AC:

124

AN:

152014

Hom.:

Cov.:

AF XY:

0.000889

AC XY:

AN XY:

74258

show subpopulations

Gnomad4 AFR

AF:

0.0000725

Gnomad4 AMR

AF:

0.000524

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00405

Gnomad4 NFE

AF:

0.00102

Gnomad4 OTH

AF:

0.000478

Alfa

AF:

0.00115

Hom.:

Bravo

AF:

0.000374

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

NAFLD1

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 13, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.79

CADD

Benign

7.0

DANN

Benign

0.86

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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