Genetic Variant NM_173506.7:c.671G>C (chr19-41837213-C-G) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_173506.7(LYPD4):c.671G>C(p.Gly224Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,788 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

LYPD4
NM_173506.7 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.68

Publications

0 publications found

Variant links:

Genes affected

LYPD4 (HGNC:28659): (LY6/PLAUR domain containing 4) Predicted to be located in extracellular region and plasma membrane. Predicted to be active in plasma membrane raft. Predicted to be anchored component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

LYPD4 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.27334464).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_173506.7. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LYPD4	NM_173506.7	MANE Select	c.671G>C	p.Gly224Ala	missense	Exon 5 of 5	NP_775777.3
	LYPD4	NM_001291419.2		c.566G>C	p.Gly189Ala	missense	Exon 5 of 5	NP_001278348.1	Q6UWN0-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
LYPD4	ENST00000609812.6	TSL:1 MANE Select	c.671G>C	p.Gly224Ala	missense	Exon 5 of 5	ENSP00000476510.1	Q6UWN0-1
LYPD4	ENST00000343055.5	TSL:1	c.566G>C	p.Gly189Ala	missense	Exon 5 of 5	ENSP00000339568.4	Q6UWN0-2
LYPD4	ENST00000601246.5	TSL:5	c.566G>C	p.Gly189Ala	missense	Exon 6 of 6	ENSP00000472570.1	Q6UWN0-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461788

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727194

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000299

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111938

Other (OTH)

AF:

0.00

AC:

AN:

60380

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.375

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.087

BayesDel_addAF

Benign

-0.24

BayesDel_noAF

Benign

-0.59

CADD

Benign

(source)

DANN

Benign

0.90

DEOGEN2

Benign

0.099

Eigen

Benign

0.00024

Eigen_PC

Benign

-0.17

FATHMM_MKL

Benign

0.10

LIST_S2

Benign

0.52

M_CAP

Benign

0.0071

MetaRNN

Benign

0.27

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.6

PhyloP100

1.7

PrimateAI

Benign

0.32

PROVEAN

Uncertain

-2.5

REVEL

Benign

0.088

Sift

Uncertain

0.019

Sift4G

Benign

0.066

Polyphen

0.97

Vest4

0.35

MutPred

0.37

Loss of ubiquitination at K219 (P = 0.0952)

MVP

0.085

ClinPred

0.79

GERP RS

4.3

Varity_R

0.038

gMVP

0.41

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over