Menu
GeneBe

rs751545674

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 1P and 6B. PP2BP6_ModerateBS2

The NM_001999.4(FBN2):c.1313G>A(p.Gly438Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000105 in 1,614,100 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

FBN2
NM_001999.4 missense

Scores

6
12

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.66
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 -5 ACMG points.

PP2
Missense variant where missense usually causes diseases, FBN2
BP6
Variant 5-128393287-C-T is Benign according to our data. Variant chr5-128393287-C-T is described in ClinVar as [Benign]. Clinvar id is 458730.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAd at 5 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FBN2NM_001999.4 linkuse as main transcriptc.1313G>A p.Gly438Glu missense_variant 10/65 ENST00000262464.9
FBN2XM_017009228.3 linkuse as main transcriptc.1160G>A p.Gly387Glu missense_variant 9/64

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FBN2ENST00000262464.9 linkuse as main transcriptc.1313G>A p.Gly438Glu missense_variant 10/651 NM_001999.4 P1P35556-1
FBN2ENST00000508989.5 linkuse as main transcriptc.1214G>A p.Gly405Glu missense_variant 9/332
FBN2ENST00000703787.1 linkuse as main transcriptn.1020G>A non_coding_transcript_exon_variant 9/10

Frequencies

GnomAD3 genomes
AF:
0.0000328
AC:
5
AN:
152224
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000327
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:
0.0000279
AC:
7
AN:
250926
Hom.:
0
AF XY:
0.0000369
AC XY:
5
AN XY:
135586
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000202
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000821
AC:
12
AN:
1461876
Hom.:
0
Cov.:
31
AF XY:
0.00000825
AC XY:
6
AN XY:
727242
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000179
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:
0.00000270
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000328
AC:
5
AN:
152224
Hom.:
0
Cov.:
33
AF XY:
0.0000672
AC XY:
5
AN XY:
74358
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000327
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
Bravo
AF:
0.0000340
ExAC
AF:
0.00000824
AC:
1

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 testingInvitaeNov 22, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.081
T
BayesDel_noAF
Uncertain
-0.070
Cadd
Benign
22
Dann
Uncertain
0.99
DEOGEN2
Benign
0.32
T;.;T;T
Eigen
Benign
-0.34
Eigen_PC
Benign
-0.35
FATHMM_MKL
Benign
0.57
D
LIST_S2
Benign
0.83
T;.;.;T
M_CAP
Benign
0.037
D
MetaRNN
Uncertain
0.49
T;T;T;T
MetaSVM
Benign
-0.51
T
MutationAssessor
Uncertain
2.1
M;.;M;.
MutationTaster
Benign
0.99
D;D;D
PrimateAI
Uncertain
0.69
T
PROVEAN
Benign
-2.0
N;.;N;N
REVEL
Uncertain
0.47
Sift
Benign
0.38
T;.;T;T
Polyphen
0.94
P;.;P;P
Vest4
0.62
MVP
0.70
MPC
0.76
ClinPred
0.37
T
GERP RS
1.6
Varity_R
0.048
gMVP
0.52

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: rs751545674; hg19: chr5-127728980; COSMIC: COSV99331513; API