NM_018344.6(SLC29A3):c.529G>A (p.Gly177Ser) AND H syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Aug 30, 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:: RCV001341013.5

Allele description [Variation Report for NM_018344.6(SLC29A3):c.529G>A (p.Gly177Ser)]

NM_018344.6(SLC29A3):c.529G>A (p.Gly177Ser)

Gene:

SLC29A3:solute carrier family 29 member 3 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

10q22.1

Genomic location:

Preferred name:

NM_018344.6(SLC29A3):c.529G>A (p.Gly177Ser)

HGVS:

NC_000010.11:g.71351707G>A
NG_017066.2:g.37449G>A
NM_001174098.2:c.529G>A
NM_001363518.2:c.295G>A
NM_018344.5:c.529G>A
NM_018344.6:c.529G>AMANE SELECT
NP_001167569.1:p.Gly177Ser
NP_001350447.1:p.Gly99Ser
NP_060814.4:p.Gly177Ser
LRG_1318t1:c.529G>A
LRG_1318:g.37449G>A
LRG_1318p1:p.Gly177Ser
NC_000010.10:g.73111464G>A
NR_033413.2:n.497G>A

Protein change:

G177S

Links:

dbSNP: rs751857525

NCBI 1000 Genomes Browser:

rs751857525

Molecular consequence:

NM_001174098.2:c.529G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001363518.2:c.295G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_018344.6:c.529G>A - missense variant - [Sequence Ontology: SO:0001583]
NR_033413.2:n.497G>A - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:: H syndrome
Synonyms:: Histiocytosis with joint contractures and sensorineural deafness; Faisalabad histiocytosis; HISTIOCYTOSIS AND LYMPHADENOPATHY WITH OR WITHOUT CUTANEOUS, CARDIAC, AND/OR ENDOCRINE FEATURES, JOINT CONTRACTURES, AND/OR DEAFNESS; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0011273; MedGen: C1864445; Orphanet: 168569; OMIM: 602782

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001534852	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Aug 30, 2021)	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

SCV001534852

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Aug 30, 2021)

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):240-242.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Invitae, SCV001534852.3

#	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 glycine with serine at codon 177 of the SLC29A3 protein (p.Gly177Ser). The glycine residue is moderately conserved and there is a small physicochemical difference between glycine and serine. This variant is present in population databases (rs751857525, ExAC 0.006%). This variant has not been reported in the literature in individuals affected with SLC29A3-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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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: May 7, 2024

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