NM_004629.2(FANCG):c.739C>A (p.Gln247Lys) AND Fanconi anemia complementation group G

Germline classification:: Uncertain significance (3 submissions)
Last evaluated:: Oct 26, 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:: RCV001294012.5

Allele description [Variation Report for NM_004629.2(FANCG):c.739C>A (p.Gln247Lys)]

NM_004629.2(FANCG):c.739C>A (p.Gln247Lys)

Gene:

FANCG:FA complementation group G [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

9p13.3

Genomic location:

Preferred name:

NM_004629.2(FANCG):c.739C>A (p.Gln247Lys)

HGVS:

NC_000009.12:g.35077009G>T
NG_007312.1:g.8008C>A
NG_007887.1:g.734C>A
NM_004629.2:c.739C>AMANE SELECT
NP_004620.1:p.Gln247Lys
NP_004620.1:p.Gln247Lys
LRG_499t1:c.739C>A
LRG_499:g.8008C>A
LRG_499p1:p.Gln247Lys
LRG_657:g.734C>A
NC_000009.11:g.35077006G>T
NM_004629.1:c.739C>A

Protein change:

Q247K

Links:

dbSNP: rs145613634

NCBI 1000 Genomes Browser:

rs145613634

Molecular consequence:

NM_004629.2:c.739C>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Fanconi anemia complementation group G
Synonyms:: Fanconi anemia group G
Identifiers:: MONDO: MONDO:0013565; MedGen: C3469527; Orphanet: 84; OMIM: 614082

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001482765	Baylor Genetics - CSER-TexasKidsCanSeq	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Jan 7, 2020)	unknown	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV002077464	Natera, Inc.	no assertion criteria provided	Likely benign (Feb 11, 2020)	germline	clinical testing
SCV003843130	St. Jude Molecular Pathology, St. Jude Children's Research Hospital	criteria provided, single submitter (St. Jude Assertion Criteria 2020)	Uncertain significance (Oct 26, 2022)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001482765

Baylor Genetics - CSER-TexasKidsCanSeq

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Jan 7, 2020)

unknown

clinical testing

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

SCV002077464

Natera, Inc.

no assertion criteria provided

Likely benign
(Feb 11, 2020)

germline

clinical testing

SCV003843130

St. Jude Molecular Pathology, St. Jude Children's Research Hospital

criteria provided, single submitter

(St. Jude Assertion Criteria 2020)

Uncertain significance
(Oct 26, 2022)

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	unknown	yes	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	unknown	not provided	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 Baylor Genetics - CSER-TexasKidsCanSeq, SCV001482765.1

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

Description

This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868].

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

From Natera, Inc., SCV002077464.1

#	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	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From St. Jude Molecular Pathology, St. Jude Children's Research Hospital, SCV003843130.1

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

Description

The FANCG c.739C>A (p.Gln247Lys) missense change has a maximum subpopulation frequency of 0.36% in gnomAD v2.1.1 (https://gnomad.broadinstitute.org/). The in silico tool REVEL predicts a benign effect on protein function, but to our knowledge this prediction has not been confirmed by functional studies. This variant has been reported as heterozygous in at least one individual with a head or neck squamous cell carcinoma (PMID: 28678401). To our knowledge, this variant has not been reported in individuals with Fanconi anemia. In summary, the evidence currently available is insufficient to determine the clinical significance of this variant. It has therefore been classified as 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: Sep 29, 2024

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