5-128263505-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP2

The NM_001999.4(FBN2):​c.8112C>A​(p.Asn2704Lys) variant causes a missense change. The variant allele was found at a frequency of 0.0000031 in 1,614,012 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

FBN2
NM_001999.4 missense

Scores

12
6

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.62
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 Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
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.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FBN2NM_001999.4 linkuse as main transcriptc.8112C>A p.Asn2704Lys missense_variant 63/65 ENST00000262464.9 NP_001990.2 P35556-1
FBN2XM_017009228.3 linkuse as main transcriptc.7959C>A p.Asn2653Lys missense_variant 62/64 XP_016864717.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FBN2ENST00000262464.9 linkuse as main transcriptc.8112C>A p.Asn2704Lys missense_variant 63/651 NM_001999.4 ENSP00000262464.4 P35556-1
FBN2ENST00000703782.1 linkuse as main transcriptn.227C>A non_coding_transcript_exon_variant 2/2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152140
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00000398
AC:
1
AN:
251272
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135796
show subpopulations
Gnomad AFR exome
AF:
0.00
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:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461872
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727240
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:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152140
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74306
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.48
BayesDel_addAF
Uncertain
0.11
D
BayesDel_noAF
Uncertain
-0.080
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.53
D;.;D
Eigen
Uncertain
0.47
Eigen_PC
Uncertain
0.52
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.81
T;.;.
M_CAP
Benign
0.042
D
MetaRNN
Uncertain
0.61
D;D;D
MetaSVM
Uncertain
0.32
D
MutationAssessor
Benign
0.82
L;.;L
PrimateAI
Uncertain
0.75
T
PROVEAN
Benign
-2.2
N;.;N
REVEL
Uncertain
0.58
Sift
Benign
0.084
T;.;T
Polyphen
0.96
D;.;D
Vest4
0.79
MutPred
0.70
Gain of ubiquitination at N2704 (P = 0.0082);.;Gain of ubiquitination at N2704 (P = 0.0082);
MVP
0.61
MPC
0.38
ClinPred
0.63
D
GERP RS
5.2
Varity_R
0.12
gMVP
0.73

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: rs370851605; hg19: chr5-127599197; API