rs772108557
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Variant summary
Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2
The NM_000138.5(FBN1):c.2886C>T(p.Tyr962=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000103 in 1,461,880 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: not found (cov: 31)
Exomes 𝑓: 0.000010 ( 0 hom. )
Consequence
FBN1
NM_000138.5 synonymous
NM_000138.5 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -2.66
Genes affected
FBN1 (HGNC:3603): (fibrillin 1) This gene encodes a member of the fibrillin family of proteins. The encoded preproprotein is proteolytically processed to generate two proteins including the extracellular matrix component fibrillin-1 and the protein hormone asprosin. Fibrillin-1 is an extracellular matrix glycoprotein that serves as a structural component of calcium-binding microfibrils. These microfibrils provide force-bearing structural support in elastic and nonelastic connective tissue throughout the body. Asprosin, secreted by white adipose tissue, has been shown to regulate glucose homeostasis. Mutations in this gene are associated with Marfan syndrome and the related MASS phenotype, as well as ectopia lentis syndrome, Weill-Marchesani syndrome, Shprintzen-Goldberg syndrome and neonatal progeroid syndrome. [provided by RefSeq, Apr 2016]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -17 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.86).
BP6
?
Variant 15-48490047-G-A is Benign according to our data. Variant chr15-48490047-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 413888.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
?
Synonymous conserved (PhyloP=-2.66 with no splicing effect.
BS2
?
High AC in GnomAdExome4 at 15 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
FBN1 | NM_000138.5 | c.2886C>T | p.Tyr962= | synonymous_variant | 25/66 | ENST00000316623.10 | |
FBN1 | NM_001406716.1 | c.2886C>T | p.Tyr962= | synonymous_variant | 24/65 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
FBN1 | ENST00000316623.10 | c.2886C>T | p.Tyr962= | synonymous_variant | 25/66 | 1 | NM_000138.5 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 31
GnomAD3 genomes
?
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31
GnomAD3 exomes AF: 0.0000119 AC: 3AN: 251418Hom.: 0 AF XY: 0.00000736 AC XY: 1AN XY: 135898
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GnomAD4 exome AF: 0.0000103 AC: 15AN: 1461880Hom.: 0 Cov.: 31 AF XY: 0.00000963 AC XY: 7AN XY: 727246
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GnomAD4 genome ? Cov.: 31
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ClinVar
Significance: Likely benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
Familial thoracic aortic aneurysm and aortic dissection Benign:2
Likely benign, criteria provided, single submitter | clinical testing | Ambry Genetics | Oct 21, 2022 | This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. - |
Likely benign, criteria provided, single submitter | clinical testing | Color Diagnostics, LLC DBA Color Health | Oct 22, 2019 | - - |
Marfan syndrome Benign:1
Likely benign, criteria provided, single submitter | clinical testing | All of Us Research Program, National Institutes of Health | Dec 01, 2023 | - - |
not provided Benign:1
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | Mar 17, 2021 | - - |
Marfan syndrome;C4707243:Familial thoracic aortic aneurysm and aortic dissection Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Apr 23, 2022 | - - |
Connective tissue disorder Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Center for Human Genetics, Inc, Center for Human Genetics, Inc | Nov 01, 2016 | - - |
Computational scores
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Name
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at