rs41291054

Positions:

chr1-25563716-C-T

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_ModerateBP6BP7BS2

The NM_015627.3(LDLRAP1):c.672C>T(p.Ser224=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00292 in 1,613,996 control chromosomes in the GnomAD database, including 11 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0018 ( 2 hom., cov: 33)

Exomes 𝑓: 0.0030 ( 9 hom. )

Consequence

LDLRAP1
NM_015627.3 synonymous

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:7

Conservation

PhyloP100: 0.916

Variant links:

Genes affected

LDLRAP1 (HGNC:18640): (low density lipoprotein receptor adaptor protein 1) The protein encoded by this gene is a cytosolic protein which contains a phosphotyrosine binding (PTD) domain. The PTD domain has been found to interact with the cytoplasmic tail of the LDL receptor. Mutations in this gene lead to LDL receptor malfunction and cause the disorder autosomal recessive hypercholesterolaemia. [provided by RefSeq, Jul 2008]

LDLRAP1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.39).

BP6

Variant 1-25563716-C-T is Benign according to our data. Variant chr1-25563716-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 296985.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=4, Benign=1, Uncertain_significance=1}. Variant chr1-25563716-C-T is described in Lovd as [Benign].

BP7

Synonymous conserved (PhyloP=0.916 with no splicing effect.

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
LDLRAP1	NM_015627.3 linkuse as main transcript	c.672C>T	p.Ser224=	synonymous_variant	7/9	ENST00000374338.5	NP_056442.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris
LDLRAP1	ENST00000374338.5 linkuse as main transcript	c.672C>T	p.Ser224=	synonymous_variant	7/9	1	NM_015627.3	ENSP00000363458	P1
LDLRAP1	ENST00000484476.5 linkuse as main transcript	n.394C>T		non_coding_transcript_exon_variant	2/4	1
LDLRAP1	ENST00000474283.1 linkuse as main transcript	n.83C>T		non_coding_transcript_exon_variant	1/3	3
LDLRAP1	ENST00000488127.1 linkuse as main transcript	n.1142C>T		non_coding_transcript_exon_variant	6/7	2

Frequencies

GnomAD3 genomes

AF:

0.00183

AC:

278

AN:

152238

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00106

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00209

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00285

Gnomad OTH

AF:

0.00383

GnomAD3 exomes

AF:

0.00144

AC:

361

AN:

250944

Hom.:

AF XY:

0.00143

AC XY:

194

AN XY:

135736

show subpopulations

Gnomad AFR exome

AF:

0.000617

Gnomad AMR exome

AF:

0.00142

Gnomad ASJ exome

AF:

0.0000993

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00255

Gnomad OTH exome

AF:

0.00180

GnomAD4 exome

AF:

0.00304

AC:

4440

AN:

1461640

Hom.:

Cov.:

AF XY:

0.00297

AC XY:

2159

AN XY:

727132

show subpopulations

Gnomad4 AFR exome

AF:

0.000597

Gnomad4 AMR exome

AF:

0.00154

Gnomad4 ASJ exome

AF:

0.0000383

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.000113

Gnomad4 NFE exome

AF:

0.00375

Gnomad4 OTH exome

AF:

0.00281

GnomAD4 genome

AF:

0.00182

AC:

278

AN:

152356

Hom.:

Cov.:

AF XY:

0.00161

AC XY:

120

AN XY:

74504

show subpopulations

Gnomad4 AFR

AF:

0.00106

Gnomad4 AMR

AF:

0.00209

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00285

Gnomad4 OTH

AF:

0.00379

Alfa

AF:

0.00250

Hom.:

Bravo

AF:

0.00218

EpiCase

AF:

0.00224

EpiControl

AF:

0.00320

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:7

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Hypercholesterolemia, familial, 4

Uncertain:1Benign:2

Uncertain significance, criteria provided, single submitter	clinical testing	Illumina Laboratory Services, Illumina	Jan 12, 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. -
Likely benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Feb 01, 2024	- -
Likely benign, criteria provided, single submitter	clinical testing	ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories	Aug 15, 2023	- -

not provided

Benign:2

Likely benign, criteria provided, single submitter	clinical testing	GeneDx	Nov 05, 2021	- -
Benign, criteria provided, single submitter	clinical testing	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	Jun 02, 2017	Variant summary: The LDLRAP1 c.672C>T (p.Ser224Ser) variant involves the alteration of a non-conserved nucleotide, resulting in a synonymous change. One in silico tool predicts a damaging outcome for this variant. 5/5 splice prediction tools predict no significant impact on normal splicing. ESE finder predicts that this variant may introduce an SRp40 ESE site at the locus. However, these predictions have yet to be confirmed by functional studies. This variant was found in the large control database ExAC at a frequency of 0.0014085 (170/120692 control chromosomes [1 homozygote]), which is approximately 2 times the estimated maximal expected allele frequency of a pathogenic LDLRAP1 variant (0.0007906), suggesting this variant is likely a benign polymorphism. In addition, multiple clinical diagnostic laboratories/reputable databases classified this variant as likely benign. The variant of interest has not, to our knowledge, been reported in affected individuals via publications, nor has it been evaluated for functional impact by in vivo/vitro studies. Taken together, this variant is classified as benign. -

LDLRAP1-related disorder

Benign:1

Likely benign, no assertion criteria provided

clinical testing

PreventionGenetics, part of Exact Sciences

Feb 06, 2020

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Cardiovascular phenotype

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 19, 2017

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Familial hypercholesterolemia

Benign:1

Likely benign, no assertion criteria provided

clinical testing

Natera, Inc.

Jan 09, 2020

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.39

CADD

Benign

7.1

DANN

Benign

0.58

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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