Variant 22-36195395-T-A details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_001386885.1(APOL4):c.125A>T(p.Lys42Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000253 in 1,461,632 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

APOL4
NM_001386885.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.154

Variant links:

Genes affected

APOL4 (HGNC:14867): (apolipoprotein L4) This gene encodes a member of the apolipoprotein L family. The encoded protein may play a role in lipid exchange and transport throughout the body, as well as in reverse cholesterol transport from peripheral cells to the liver. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2020]

APOL4 links:

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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=0.1584701).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
APOL4	NM_001386885.1 linkuse as main transcript	c.125A>T	p.Lys42Met	missense_variant	3/4	ENST00000683024.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
APOL4	ENST00000683024.1 linkuse as main transcript	c.125A>T	p.Lys42Met	missense_variant	3/4		NM_001386885.1	P2	Q9BPW4-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000120

AC:

AN:

250196

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

135570

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000177

Gnomad OTH exome

AF:

0.000165

GnomAD4 exome

AF:

0.0000253

AC:

AN:

1461632

Hom.:

Cov.:

AF XY:

0.0000275

AC XY:

AN XY:

727104

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000297

Gnomad4 OTH exome

AF:

0.0000663

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

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

Dec 13, 2022

The c.134A>T (p.K45M) alteration is located in exon 4 (coding exon 3) of the APOL4 gene. This alteration results from a A to T substitution at nucleotide position 134, causing the lysine (K) at amino acid position 45 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

0.24

BayesDel_addAF

Benign

-0.12

BayesDel_noAF

Benign

-0.40

CADD

Benign

DANN

Benign

0.30

DEOGEN2

Benign

0.015

T;.;.;.;.

Eigen

Benign

-0.31

Eigen_PC

Benign

-0.54

FATHMM_MKL

Benign

0.10

LIST_S2

Benign

0.42

T;.;T;T;T

M_CAP

Benign

0.011

MetaRNN

Benign

0.16

T;T;T;T;T

MetaSVM

Benign

-0.92

MutationTaster

Benign

1.0

N;N;N;N;N

PROVEAN

Benign

-2.3

N;.;N;D;D

REVEL

Benign

0.068

Sift

Uncertain

0.0030

D;.;D;D;D

Sift4G

Uncertain

0.041

D;T;T;D;.

Polyphen

0.99

D;.;.;.;.

Vest4

0.21

MutPred

0.39

Loss of methylation at K45 (P = 0.0124);.;.;.;.;

MVP

0.61

MPC

0.37

ClinPred

0.72

GERP RS

2.0

Varity_R

0.077

gMVP

0.15

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