chr5-128289903-T-C

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 1P and 10B. PP2BP4_StrongBP6_ModerateBS2

The ENST00000262464.9(FBN2):ā€‹c.6490A>Gā€‹(p.Ser2164Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000156 in 1,601,670 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…).

Frequency

Genomes: š‘“ 0.000020 ( 0 hom., cov: 32)
Exomes š‘“: 0.000015 ( 0 hom. )

Consequence

FBN2
ENST00000262464.9 missense

Scores

2
16

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 3.47
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 Benign. Variant got -9 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=0.056623995).
BP6
Variant 5-128289903-T-C is Benign according to our data. Variant chr5-128289903-T-C is described in ClinVar as [Benign]. Clinvar id is 239090.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAdExome4 at 22 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FBN2NM_001999.4 linkuse as main transcriptc.6490A>G p.Ser2164Gly missense_variant 51/65 ENST00000262464.9 NP_001990.2
FBN2XM_017009228.3 linkuse as main transcriptc.6337A>G p.Ser2113Gly missense_variant 50/64 XP_016864717.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FBN2ENST00000262464.9 linkuse as main transcriptc.6490A>G p.Ser2164Gly missense_variant 51/651 NM_001999.4 ENSP00000262464 P1P35556-1
FBN2ENST00000703783.1 linkuse as main transcriptn.3274A>G non_coding_transcript_exon_variant 26/38
FBN2ENST00000703785.1 linkuse as main transcriptn.3193A>G non_coding_transcript_exon_variant 25/27

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152180
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
250980
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135668
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000152
AC:
22
AN:
1449490
Hom.:
0
Cov.:
27
AF XY:
0.0000166
AC XY:
12
AN XY:
722106
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000200
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152180
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74342
show subpopulations
Gnomad4 AFR
AF:
0.0000724
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:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000329
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

Congenital contractural arachnodactyly Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpSep 07, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.061
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.26
CADD
Benign
19
DANN
Benign
0.40
DEOGEN2
Benign
0.12
T;.;T
Eigen
Benign
-0.43
Eigen_PC
Benign
-0.14
FATHMM_MKL
Benign
0.69
D
LIST_S2
Benign
0.77
T;.;.
M_CAP
Benign
0.016
T
MetaRNN
Benign
0.057
T;T;T
MetaSVM
Benign
-0.67
T
MutationAssessor
Benign
-0.40
N;.;N
MutationTaster
Benign
0.98
N;N
PrimateAI
Uncertain
0.53
T
PROVEAN
Benign
2.8
N;.;N
REVEL
Uncertain
0.29
Sift
Benign
1.0
T;.;T
Polyphen
0.0
B;.;B
Vest4
0.094
MVP
0.17
MPC
0.21
ClinPred
0.057
T
GERP RS
3.7
Varity_R
0.051
gMVP
0.46

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: rs763160605; hg19: chr5-127625595; API