NM_000527.5(LDLR):c.109G>A (p.Gly37Arg) AND Hypercholesterolemia, familial, 1

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 16, 2022
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV004008745.2

Allele description [Variation Report for NM_000527.5(LDLR):c.109G>A (p.Gly37Arg)]

NM_000527.5(LDLR):c.109G>A (p.Gly37Arg)

Gene:

LDLR:low density lipoprotein receptor [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

19p13.2

Genomic location:

Preferred name:

NM_000527.5(LDLR):c.109G>A (p.Gly37Arg)

HGVS:

NC_000019.10:g.11100264G>A
NG_009060.1:g.15884G>A
NM_000527.5:c.109G>AMANE SELECT
NM_001195798.2:c.109G>A
NM_001195799.2:c.109G>A
NM_001195800.2:c.109G>A
NM_001195803.2:c.109G>A
NP_000518.1:p.Gly37Arg
NP_001182727.1:p.Gly37Arg
NP_001182728.1:p.Gly37Arg
NP_001182729.1:p.Gly37Arg
NP_001182732.1:p.Gly37Arg
LRG_274t1:c.109G>A
LRG_274:g.15884G>A
NC_000019.9:g.11210940G>A
NC_000019.9:g.11210940G>A
NM_000527.4:c.109G>A

Protein change:

G37R

Links:

dbSNP: rs2077193497

NCBI 1000 Genomes Browser:

rs2077193497

Molecular consequence:

NM_000527.5:c.109G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001195798.2:c.109G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001195799.2:c.109G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001195800.2:c.109G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001195803.2:c.109G>A - missense variant - [Sequence Ontology: SO:0001583]

Observations:

Condition(s)

Name:: Hypercholesterolemia, familial, 1
Synonyms:: LDL RECEPTOR DISORDER; Hyperlipoproteinemia Type IIa; HYPER-LOW-DENSITY-LIPOPROTEINEMIA; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0007750; MedGen: C0745103; Orphanet: 391665; OMIM: 143890

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004820116	All of Us Research Program, National Institutes of Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain Significance (Dec 16, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV004820116

All of Us Research Program, National Institutes of Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain Significance
(Dec 16, 2022)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	1	not provided	not provided	108544	not provided	clinical testing

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From All of Us Research Program, National Institutes of Health, SCV004820116.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	1	not provided	not provided	clinical testing	PubMed (1)

Description

This missense variant (also known as p.Gly16Arg in the mature protein) replaces glycine with arginine at codon 37 of the LDLR protein. Computational prediction suggests that this variant may have deleterious impact on protein structure and function (internally defined REVEL score threshold >= 0.7, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with familial hypercholesterolemia in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	108544	not provided	not provided		1	not provided	not provided	not provided

Last Updated: Sep 1, 2024

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