dbSNP rs193920763: FBN2:p.Glu2059Asp (chr5-128291644-T-G) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_001999.4(FBN2):c.6177A>C(p.Glu2059Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (no stars).

Frequency

Genomes: not found (cov: 32)

Consequence

FBN2
NM_001999.4 missense

Scores

Clinical Significance

Uncertain significance no assertion criteria provided U:1

Conservation

PhyloP100: 0.203

Publications

1 publications found

Variant links:

Genes affected

FBN2 (HGNC:3604): (fibrillin 2) The protein encoded by this gene is a component of connective tissue microfibrils and may be involved in elastic fiber assembly. Mutations in this gene cause congenital contractural arachnodactyly. [provided by RefSeq, Jul 2008]

FBN2 Gene-Disease associations (from GenCC):

congenital contractural arachnodactyly
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: PanelApp Australia, Orphanet, Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp
carpal tunnel syndrome
Inheritance: AD Classification: LIMITED Submitted by: Franklin by Genoox
familial thoracic aortic aneurysm and aortic dissection
Inheritance: AD Classification: LIMITED Submitted by: ClinGen
macular degeneration, early-onset
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)

FBN2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.885

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001999.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FBN2	NM_001999.4	MANE Select	c.6177A>C	p.Glu2059Asp	missense	Exon 49 of 65	NP_001990.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
FBN2	ENST00000262464.9	TSL:1 MANE Select	c.6177A>C	p.Glu2059Asp	missense	Exon 49 of 65	ENSP00000262464.4
FBN2	ENST00000703783.1		n.2961A>C		non_coding_transcript_exon	Exon 24 of 38
FBN2	ENST00000703785.1		n.2880A>C		non_coding_transcript_exon	Exon 23 of 27

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

Prostate cancer

Uncertain:1

Science for Life laboratory, Karolinska Institutet

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:literature only

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.94

BayesDel_addAF

Pathogenic

0.24

BayesDel_noAF

Uncertain

0.11

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.77

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.41

FATHMM_MKL

Uncertain

0.88

LIST_S2

Uncertain

0.90

M_CAP

Pathogenic

0.46

MetaRNN

Pathogenic

0.88

MetaSVM

Pathogenic

1.1

MutationAssessor

Pathogenic

3.3

PhyloP100

0.20

PrimateAI

Uncertain

0.76

PROVEAN

Uncertain

-2.6

REVEL

Pathogenic

0.86

Sift

Pathogenic

0.0

Polyphen

1.0

Vest4

0.63

MutPred

0.80

Loss of disorder (P = 0.2111)

MVP

0.81

MPC

0.82

ClinPred

0.99

GERP RS

3.0

Varity_R

0.68

gMVP

0.80

Mutation Taster

=58/42

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over