NM_017841.4(SDHAF2):c.496C>T (p.Arg166Cys) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: May 18, 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:: RCV000567136.5

Allele description [Variation Report for NM_017841.4(SDHAF2):c.496C>T (p.Arg166Cys)]

NM_017841.4(SDHAF2):c.496C>T (p.Arg166Cys)

Gene:

SDHAF2:succinate dehydrogenase complex assembly factor 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

11q12.2

Genomic location:

Preferred name:

NM_017841.4(SDHAF2):c.496C>T (p.Arg166Cys)

HGVS:

NC_000011.10:g.61446066C>T
NG_023393.1:g.20942C>T
NM_017841.4:c.496C>TMANE SELECT
NP_060311.1:p.Arg166Cys
NP_060311.1:p.Arg166Cys
LRG_519t1:c.496C>T
LRG_519:g.20942C>T
LRG_519p1:p.Arg166Cys
NC_000011.9:g.61213538C>T
NM_017841.2:c.496C>T

Protein change:

R166C

Links:

dbSNP: rs968303021

NCBI 1000 Genomes Browser:

rs968303021

Molecular consequence:

NM_017841.4:c.496C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary cancer-predisposing syndrome
Synonyms:: Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000675053	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (May 18, 2024)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000675053

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(May 18, 2024)

germline

clinical testing

Citation Link

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

Details of each submission

From Ambry Genetics, SCV000675053.6

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

Description

The p.R166C variant (also known as c.496C>T), located in coding exon 4 of the SDHAF2 gene, results from a C to T substitution at nucleotide position 496. The arginine at codon 166 is replaced by cysteine, an amino acid with highly dissimilar properties. This amino acid position is poorly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	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: Oct 26, 2024

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