NM_000135.4(FANCA):c.145C>G (p.Arg49Gly) AND Fanconi anemia

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Sep 1, 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:: RCV000689475.5

Allele description [Variation Report for NM_000135.4(FANCA):c.145C>G (p.Arg49Gly)]

NM_000135.4(FANCA):c.145C>G (p.Arg49Gly)

Gene:

FANCA:FA complementation group A [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

16q24.3

Genomic location:

Preferred name:

NM_000135.4(FANCA):c.145C>G (p.Arg49Gly)

HGVS:

NC_000016.10:g.89815921G>C
NG_011706.1:g.5737C>G
NM_000135.3:c.145C>G
NM_000135.4:c.145C>GMANE SELECT
NM_001018112.3:c.145C>G
NM_001286167.3:c.145C>G
NM_001351830.2:c.145C>G
NP_000126.2:p.Arg49Gly
NP_001018122.1:p.Arg49Gly
NP_001273096.1:p.Arg49Gly
NP_001338759.1:p.Arg49Gly
LRG_495t1:c.145C>G
LRG_495:g.5737C>G
NC_000016.9:g.89882329G>C
NM_000135.2:c.145C>G

Protein change:

R49G

Links:

dbSNP: rs929925295

NCBI 1000 Genomes Browser:

rs929925295

Molecular consequence:

NM_000135.4:c.145C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001018112.3:c.145C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001286167.3:c.145C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001351830.2:c.145C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Fanconi anemia (FA)
Synonyms:: Fanconi pancytopenia; Fanconi's anemia
Identifiers:: MONDO: MONDO:0019391; MeSH: D005199; MedGen: C0015625; Orphanet: 84; OMIM: PS227650

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000817128	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Sep 1, 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

SCV000817128

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Sep 1, 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, SCV000817128.3

#	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 arginine with glycine at codon 49 of the FANCA protein (p.Arg49Gly). The arginine residue is weakly conserved and there is a moderate physicochemical difference between arginine and glycine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with FANCA-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.

#	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: Jan 6, 2024

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