NM_033380.3(COL4A5):c.5029T>G (p.Leu1677Val) AND not provided

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jan 19, 2024
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:: RCV002049399.6

Allele description [Variation Report for NM_033380.3(COL4A5):c.5029T>G (p.Leu1677Val)]

NM_033380.3(COL4A5):c.5029T>G (p.Leu1677Val)

Gene:

COL4A5:collagen type IV alpha 5 chain [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

Xq22.3

Genomic location:

Preferred name:

NM_033380.3(COL4A5):c.5029T>G (p.Leu1677Val)

HGVS:

NC_000023.11:g.108696331T>G
NG_011977.2:g.261408T>G
NM_000495.5:c.5011T>G
NM_033380.3:c.5029T>GMANE SELECT
NP_000486.1:p.Leu1671Val
NP_203699.1:p.Leu1677Val
LRG_232t1:c.5011T>G
LRG_232t2:c.5029T>G
LRG_232:g.261408T>G
LRG_232p1:p.Leu1671Val
LRG_232p2:p.Leu1677Val
NC_000023.10:g.107939561T>G

Protein change:

L1671V

Links:

dbSNP: rs2148003708

NCBI 1000 Genomes Browser:

rs2148003708

Molecular consequence:

NM_000495.5:c.5011T>G - missense variant - [Sequence Ontology: SO:0001583]
NM_033380.3:c.5029T>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002116773	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 19, 2024)	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

SCV002116773

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 19, 2024)

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	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002116773.3

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

Description

This sequence change replaces leucine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 1671 of the COL4A5 protein (p.Leu1671Val). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with COL4A5-related conditions. ClinVar contains an entry for this variant (Variation ID: 1352142). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt COL4A5 protein function with a negative predictive value of 95%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been 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	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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