Genetic Variant NM_002334.4:c.851G>T (chr11-46896940-C-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_002334.4(LRP4):c.851G>T(p.Arg284Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,868 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R284H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

LRP4
NM_002334.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.17

Publications

1 publications found

Variant links:

Genes affected

LRP4 (HGNC:6696): (LDL receptor related protein 4) This gene encodes a member of the low-density lipoprotein receptor-related protein family. The encoded protein may be a regulator of Wnt signaling. Mutations in this gene are associated with Cenani-Lenz syndrome. [provided by RefSeq, May 2010]

LRP4 Gene-Disease associations (from GenCC):

Cenani-Lenz syndactyly syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, ClinGen, Labcorp Genetics (formerly Invitae), G2P
congenital myasthenic syndrome 17
Inheritance: AR Classification: STRONG, LIMITED Submitted by: ClinGen, PanelApp Australia, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
postsynaptic congenital myasthenic syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
sclerosteosis
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
sclerosteosis 2
Inheritance: SD Classification: LIMITED Submitted by: Ambry Genetics

LRP4 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002334.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LRP4	NM_002334.4	MANE Select	c.851G>T	p.Arg284Leu	missense	Exon 8 of 38	NP_002325.2

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LRP4	ENST00000378623.6	TSL:1 MANE Select	c.851G>T	p.Arg284Leu	missense	Exon 8 of 38	ENSP00000367888.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251480

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461868

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727238

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33476

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112000

Other (OTH)

AF:

0.00

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.40

BayesDel_addAF

Uncertain

0.14

BayesDel_noAF

Uncertain

0.13

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.16

Eigen

Benign

-0.53

Eigen_PC

Benign

-0.33

FATHMM_MKL

Uncertain

0.88

LIST_S2

Uncertain

0.87

M_CAP

Uncertain

0.15

MetaRNN

Uncertain

0.64

MetaSVM

Uncertain

-0.053

MutationAssessor

Benign

-0.17

PhyloP100

4.2

PrimateAI

Uncertain

0.77

PROVEAN

Benign

-0.52

REVEL

Uncertain

0.55

Sift

Benign

0.41

Sift4G

Benign

0.72

Polyphen

0.024

Vest4

0.75

MutPred

0.62

Loss of MoRF binding (P = 0.0546)

MVP

0.66

MPC

0.77

ClinPred

0.34

GERP RS

3.9

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.13

gMVP

0.70

Mutation Taster

=61/39

polymorphism

(source)

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

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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