chr19-8112061-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_032447.5(FBN3):ā€‹c.3877A>Cā€‹(p.Ser1293Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000661 in 151,240 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S1293G) has been classified as Likely benign.

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 28)

Consequence

FBN3
NM_032447.5 missense

Scores

19

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.390
Variant links:
Genes affected
FBN3 (HGNC:18794): (fibrillin 3) This gene encodes a memebr of the fibrillin protein family. Fibrillins are extracellular matrix molecules that assemble into microfibrils in many connective tissues. This gene is most highly expressed in fetal tissues and its protein product is localized to extracellular microfibrils of developing skeletal elements, skin, lung, kidney, and skeletal muscle. This gene is potentially involved in Weill-Marchesani syndrome. [provided by RefSeq, Mar 2016]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.1276069).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FBN3NM_032447.5 linkuse as main transcriptc.3877A>C p.Ser1293Arg missense_variant 31/64 ENST00000600128.6 NP_115823.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FBN3ENST00000600128.6 linkuse as main transcriptc.3877A>C p.Ser1293Arg missense_variant 31/641 NM_032447.5 ENSP00000470498
FBN3ENST00000270509.6 linkuse as main transcriptc.3877A>C p.Ser1293Arg missense_variant 30/631 ENSP00000270509
FBN3ENST00000601739.5 linkuse as main transcriptc.3877A>C p.Ser1293Arg missense_variant 31/641 ENSP00000472324
FBN3ENST00000651877.1 linkuse as main transcriptc.4003A>C p.Ser1335Arg missense_variant 31/64 ENSP00000498507 P1

Frequencies

GnomAD3 genomes
AF:
0.00000661
AC:
1
AN:
151240
Hom.:
0
Cov.:
28
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
Cov.:
34
GnomAD4 genome
AF:
0.00000661
AC:
1
AN:
151240
Hom.:
0
Cov.:
28
AF XY:
0.00
AC XY:
0
AN XY:
73792
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.076
T
BayesDel_noAF
Benign
-0.35
CADD
Benign
1.4
DANN
Benign
0.78
DEOGEN2
Benign
0.041
T;T;T
Eigen
Benign
-1.3
Eigen_PC
Benign
-1.4
FATHMM_MKL
Benign
0.091
N
LIST_S2
Benign
0.57
.;.;T
M_CAP
Benign
0.034
D
MetaRNN
Benign
0.13
T;T;T
MetaSVM
Benign
-0.74
T
MutationAssessor
Benign
1.1
L;L;L
MutationTaster
Benign
1.0
P
PrimateAI
Benign
0.30
T
PROVEAN
Benign
0.35
.;N;.
REVEL
Benign
0.16
Sift
Benign
0.56
.;T;.
Sift4G
Benign
0.53
T;T;T
Polyphen
0.0030
B;B;B
Vest4
0.33
MutPred
0.40
Loss of disorder (P = 0.1066);Loss of disorder (P = 0.1066);Loss of disorder (P = 0.1066);
MVP
0.48
MPC
0.22
ClinPred
0.030
T
GERP RS
-5.6
Varity_R
0.025
gMVP
0.42

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs4804063; hg19: chr19-8176945; API