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NM_000138.5(FBN1):c.1973G>A (p.Arg658Gln) AND Marfan syndrome

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Aug 28, 2023
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:
RCV003996677.2

Allele description [Variation Report for NM_000138.5(FBN1):c.1973G>A (p.Arg658Gln)]

NM_000138.5(FBN1):c.1973G>A (p.Arg658Gln)

Gene:
FBN1:fibrillin 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
15q21.1
Genomic location:
Preferred name:
NM_000138.5(FBN1):c.1973G>A (p.Arg658Gln)
Other names:
p.R658Q:CGG>CAG
HGVS:
  • NC_000015.10:g.48503927C>T
  • NG_008805.2:g.146862G>A
  • NM_000138.5:c.1973G>AMANE SELECT
  • NP_000129.3:p.Arg658Gln
  • NP_000129.3:p.Arg658Gln
  • LRG_778t1:c.1973G>A
  • LRG_778:g.146862G>A
  • LRG_778p1:p.Arg658Gln
  • NC_000015.9:g.48796124C>T
  • NM_000138.4:c.1973G>A
Protein change:
R658Q
Links:
dbSNP: rs794728181
NCBI 1000 Genomes Browser:
rs794728181
Molecular consequence:
  • NM_000138.5:c.1973G>A - missense variant - [Sequence Ontology: SO:0001583]
Observations:
2

Condition(s)

Name:
Marfan syndrome (MFS)
Synonyms:
MARFAN SYNDROME, TYPE I; Marfan syndrome type 1; Marfan's syndrome; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0007947; MedGen: C0024796; Orphanet: 284963; Orphanet: 558; OMIM: 154700

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV004814933All of Us Research Program, National Institutes of Health
criteria provided, single submitter

(ACMG Guidelines, 2015)		Uncertain Significance
(Aug 28, 2023) 		germlineclinical testing

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

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknown2not providednot provided108544not providedclinical 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 All of Us Research Program, National Institutes of Health, SCV004814933.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not provided2not providednot providedclinical testing PubMed (1)

Description

Variant of Uncertain Significance due to insufficient evidence: This missense variant replaces arginine with glutamine at codon 658 of the FBN1 protein. Computational prediction tools and conservation analyses are inconclusive regarding the impact of this variant on the protein function. Computational splicing tools suggest that this variant may not impact RNA splicing. To our knowledge, functional assays have not been performed for this variant nor has this variant been reported in individuals affected with cardiovascular disorders in the literature. This variant is rare in the general population and has been identified in 0/277264 chromosomes by the Genome Aggregation Database (gnomAD). Available evidence is insufficient to determine the pathogenicity of this variant conclusively.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknown108544not providednot provided2not providednot providednot provided

Last Updated: Sep 29, 2024