chr5-128278767-C-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 1P and 7B. PP2BP4BP6_ModerateBS2

The NM_001999.4(FBN2):​c.7213G>A​(p.Val2405Ile) variant causes a missense change. The variant allele was found at a frequency of 0.0000291 in 1,613,980 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: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

FBN2
NM_001999.4 missense

Scores

5
5
8

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 4.96
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), FBN2. . Gene score misZ 1.5491 (greater than the threshold 3.09). Trascript score misZ 3.2752 (greater than threshold 3.09). GenCC has associacion of gene with familial thoracic aortic aneurysm and aortic dissection, carpal tunnel syndrome, macular degeneration, early-onset, congenital contractural arachnodactyly.
BP4
Computational evidence support a benign effect (MetaRNN=0.35018677).
BP6
Variant 5-128278767-C-T is Benign according to our data. Variant chr5-128278767-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 528416.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAdExome4 at 44 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FBN2NM_001999.4 linkuse as main transcriptc.7213G>A p.Val2405Ile missense_variant 57/65 ENST00000262464.9 NP_001990.2
FBN2XM_017009228.3 linkuse as main transcriptc.7060G>A p.Val2354Ile missense_variant 56/64 XP_016864717.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FBN2ENST00000262464.9 linkuse as main transcriptc.7213G>A p.Val2405Ile missense_variant 57/651 NM_001999.4 ENSP00000262464 P1P35556-1
FBN2ENST00000703783.1 linkuse as main transcriptn.3997G>A non_coding_transcript_exon_variant 32/38

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152148
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
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
GnomAD3 exomes
AF:
0.0000319
AC:
8
AN:
251048
Hom.:
0
AF XY:
0.0000369
AC XY:
5
AN XY:
135662
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.0000993
Gnomad EAS exome
AF:
0.000163
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000301
AC:
44
AN:
1461832
Hom.:
0
Cov.:
31
AF XY:
0.0000330
AC XY:
24
AN XY:
727214
show subpopulations
Gnomad4 AFR exome
AF:
0.0000597
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000756
Gnomad4 SAS exome
AF:
0.0000696
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.0000261
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152148
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74320
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000192
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000612
Hom.:
0
Bravo
AF:
0.00000756
ExAC
AF:
0.0000412
AC:
5
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Congenital contractural arachnodactyly Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpMay 15, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.050
T
BayesDel_noAF
Uncertain
-0.020
CADD
Uncertain
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.42
T;.;T
Eigen
Pathogenic
0.72
Eigen_PC
Pathogenic
0.70
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.91
D;.;.
M_CAP
Benign
0.046
D
MetaRNN
Benign
0.35
T;T;T
MetaSVM
Pathogenic
0.86
D
MutationAssessor
Uncertain
2.1
M;.;M
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.58
T
PROVEAN
Benign
-0.80
N;.;N
REVEL
Uncertain
0.56
Sift
Benign
0.031
D;.;D
Polyphen
1.0
D;.;D
Vest4
0.25
MutPred
0.60
Gain of methylation at K2407 (P = 0.1639);.;Gain of methylation at K2407 (P = 0.1639);
MVP
0.60
MPC
0.73
ClinPred
0.33
T
GERP RS
5.1
Varity_R
0.14
gMVP
0.38

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

LitVar

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

Other links and lift over

dbSNP: rs753865904; hg19: chr5-127614459; API