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NM_000232.5(SGCB):c.632A>G (p.Asn211Ser) AND Autosomal recessive limb-girdle muscular dystrophy type 2E

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Aug 27, 2021
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:
RCV002928623.1

Allele description [Variation Report for NM_000232.5(SGCB):c.632A>G (p.Asn211Ser)]

NM_000232.5(SGCB):c.632A>G (p.Asn211Ser)

Gene:
SGCB:sarcoglycan beta [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
4q12
Genomic location:
Preferred name:
NM_000232.5(SGCB):c.632A>G (p.Asn211Ser)
HGVS:
  • NC_000004.12:g.52028089T>C
  • NG_008891.1:g.15231A>G
  • NM_000232.5:c.632A>GMANE SELECT
  • NP_000223.1:p.Asn211Ser
  • NP_000223.1:p.Asn211Ser
  • LRG_204t1:c.632A>G
  • LRG_204:g.15231A>G
  • LRG_204p1:p.Asn211Ser
  • NC_000004.11:g.52894255T>C
  • NM_000232.4:c.632A>G
Protein change:
N211S
Molecular consequence:
  • NM_000232.5:c.632A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Autosomal recessive limb-girdle muscular dystrophy type 2E (LGMDR4)
Synonyms:
Limb-girdle muscular dystrophy, type 2E; Muscular dystrophy limb-girdle with beta-sarcoglycan deficiency; Beta-sarcoglycan limb-girdle muscular dystrophy; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0011423; MedGen: C1858593; Orphanet: 119; OMIM: 604286

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV003267250Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Aug 27, 2021) 		germlineclinical testing

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

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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 Invitae, SCV003267250.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This sequence change replaces asparagine with serine at codon 211 of the SGCB protein (p.Asn211Ser). The asparagine residue is highly conserved and there is a small physicochemical difference between asparagine and serine. This variant is present in population databases (rs770552656, ExAC 0.002%). This variant has not been reported in the literature in individuals affected with SGCB-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. 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.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Aug 5, 2023