NM_000112.4(SLC26A2):c.635G>T (p.Cys212Phe) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jun 19, 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:: RCV002624987.2

Allele description [Variation Report for NM_000112.4(SLC26A2):c.635G>T (p.Cys212Phe)]

NM_000112.4(SLC26A2):c.635G>T (p.Cys212Phe)

Gene:

SLC26A2:solute carrier family 26 member 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

5q32

Genomic location:

Preferred name:

NM_000112.4(SLC26A2):c.635G>T (p.Cys212Phe)

HGVS:

NC_000005.10:g.149978287G>T
NG_007147.2:g.19405G>T
NM_000112.4:c.635G>TMANE SELECT
NP_000103.2:p.Cys212Phe
NP_000103.2:p.Cys212Phe
LRG_684t1:c.635G>T
LRG_684:g.19405G>T
LRG_684p1:p.Cys212Phe
NC_000005.9:g.149357850G>T
NM_000112.3:c.635G>T

Protein change:

C212F

Molecular consequence:

NM_000112.4:c.635G>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Achondrogenesis, type IB (ACG1B)
Synonyms:: Achondrogenesis Fraccaro type
Identifiers:: MONDO: MONDO:0010966; MedGen: C0265274; Orphanet: 932; Orphanet: 93298; OMIM: 600972

Name:: Atelosteogenesis type II (AO2)
Synonyms:: NEONATAL OSSEOUS DYSPLASIA I; Neonatal osseous dysplasia 1; Atelosteogenesis type 2
Identifiers:: MONDO: MONDO:0009727; MedGen: C1850554; Orphanet: 56304; OMIM: 256050

Name:: Multiple epiphyseal dysplasia type 4 (EDM4)
Synonyms:: Multiple epiphyseal dysplasia, autosomal recessive; Multiple epiphyseal dysplasia with clubfoot; Multiple epiphyseal dysplasia with double-layered patella; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0009189; MedGen: C1847593; Orphanet: 93307; OMIM: 226900

Name:: Diastrophic dysplasia (DTD)
Synonyms:: Diastrophic dwarfism
Identifiers:: MONDO: MONDO:0009107; MedGen: C0220726; Orphanet: 628; OMIM: 222600

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003519755	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jun 19, 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

SCV003519755

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jun 19, 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	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, SCV003519755.1

#	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 cysteine, which is neutral and slightly polar, with phenylalanine, which is neutral and non-polar, at codon 212 of the SLC26A2 protein (p.Cys212Phe). This variant is present in population databases (rs545719885, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with SLC26A2-related conditions. 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 SLC26A2 protein function. 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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