NM_000135.4(FANCA):c.2852G>A (p.Arg951Gln) AND not provided

Germline classification:: Pathogenic/Likely pathogenic (5 submissions)
Last evaluated:: Oct 8, 2022
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV001569733.26

Allele description [Variation Report for NM_000135.4(FANCA):c.2852G>A (p.Arg951Gln)]

NM_000135.4(FANCA):c.2852G>A (p.Arg951Gln)

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.2852G>A (p.Arg951Gln)

HGVS:

NC_000016.10:g.89761949C>T
NG_011706.1:g.59709G>A
NM_000135.4:c.2852G>AMANE SELECT
NM_001286167.3:c.2852G>A
NP_000126.2:p.Arg951Gln
NP_001273096.1:p.Arg951Gln
LRG_495t1:c.2852G>A
LRG_495:g.59709G>A
NC_000016.9:g.89828357C>T
NM_000135.2:c.2852G>A

Protein change:

R951Q

Links:

dbSNP: rs755922289

NCBI 1000 Genomes Browser:

rs755922289

Molecular consequence:

NM_000135.4:c.2852G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001286167.3:c.2852G>A - missense variant - [Sequence Ontology: SO:0001583]

Observations:

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001793868	GeneDx	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	Pathogenic (Oct 8, 2022)	germline	clinical testing	Citation Link,
SCV001809681	Genome Diagnostics Laboratory, Amsterdam University Medical Center - VKGL Data-share Consensus	no assertion criteria provided	Likely pathogenic	germline	clinical testing
SCV001959168	Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ - VKGL Data-share Consensus See additional submitters Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen	no assertion criteria provided	Pathogenic	germline	clinical testing
SCV001961640	CeGaT Center for Human Genetics Tuebingen	criteria provided, single submitter (CeGaT Center For Human Genetics Tuebingen Variant Classification Criteria Version 2)	Pathogenic (Sep 1, 2021)	germline	clinical testing	Citation Link,
SCV002070494	Genetic Services Laboratory, University of Chicago	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely pathogenic (Feb 14, 2020)	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	yes	1	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From GeneDx, SCV001793868.3

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

Description

Published functional studies demonstrate a damaging effect: retention in the cytoplasm preventing cells from repairing DNA (Bottega et al,. 2018); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 24584348, 28102861, 25525159, 17924555, 12697994, 11063725, 22778927, 32054657, 28973083, 29269525)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Genome Diagnostics Laboratory, Amsterdam University Medical Center - VKGL Data-share Consensus, SCV001809681.1

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+ - VKGL Data-share Consensus, SCV001959168.1

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From CeGaT Center for Human Genetics Tuebingen, SCV001961640.15

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		1	not provided	not provided	not provided

From Genetic Services Laboratory, University of Chicago, SCV002070494.1

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

Description

The sequence change, c.2852G>A, in exon 29 results in an amino acid change, p.Arg951Gln. This sequence change has been described in the gnomAD database with a low population frequency of 0.01% in European sub-population (dbSNP rs755922289). The p.Arg951Gln change affects a highly conserved amino acid residue located in a domain of the FANCA protein that is not known to be functional. The p.Arg951Gln substitution appears to be deleterious using several in-silico pathogenicity prediction tools (SIFT, PolyPhen2, Align GVGD, REVEL). The p.Arg951Gln change has been reported in several individuals with Fanconi anemia (PMID: 17924555, 22778927, 24584348). In one of these individuals, this sequence change was shown to be in trans with a different pathogenic sequence change (PMID: 24584348). A different pathogenic sequence change affecting the same amino acid residue, p.Arg951Trp, has also been described in patients with FANCA-related disorders (PMID: 22778927, 17924555, 24584348, 26799702, 17924555, 24584348, 24349332). Functional studies have demonstrated disrupted protein function in the presence of the p.Arg951Gln change (PMID: 12697994). These collective evidences indicate that this sequence change is likely pathogenic.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: May 12, 2024

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