rs369652475

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 0P and 11B. BP4_ModerateBP6BS1BS2

The NM_001999.4(FBN2):​c.5899C>T​(p.His1967Tyr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000792 in 1,577,590 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H1967D) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000083 ( 3 hom. )

Consequence

FBN2
NM_001999.4 missense

Scores

3
8
6

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 8.00

Publications

2 publications found
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]
FBN2 Gene-Disease associations (from GenCC):
  • congenital contractural arachnodactyly
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P, Orphanet
  • carpal tunnel syndrome
    Inheritance: AD Classification: LIMITED Submitted by: Franklin by Genoox
  • macular degeneration, early-onset
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • familial thoracic aortic aneurysm and aortic dissection
    Inheritance: Unknown Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.19073969).
BP6
Variant 5-128302991-G-A is Benign according to our data. Variant chr5-128302991-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 528443.
BS1
Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.0000395 (6/152074) while in subpopulation SAS AF = 0.00104 (5/4826). AF 95% confidence interval is 0.000408. There are 0 homozygotes in GnomAd4. There are 5 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High AC in GnomAd4 at 6 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001999.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
FBN2
NM_001999.4
MANE Select
c.5899C>Tp.His1967Tyr
missense
Exon 46 of 65NP_001990.2P35556-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
FBN2
ENST00000262464.9
TSL:1 MANE Select
c.5899C>Tp.His1967Tyr
missense
Exon 46 of 65ENSP00000262464.4P35556-1
FBN2
ENST00000939405.1
c.5800C>Tp.His1934Tyr
missense
Exon 45 of 64ENSP00000609464.1
FBN2
ENST00000939404.1
c.5746C>Tp.His1916Tyr
missense
Exon 45 of 64ENSP00000609463.1

Frequencies

GnomAD3 genomes
AF:
0.0000395
AC:
6
AN:
152074
Hom.:
0
Cov.:
32
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:
0.00104
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000479
GnomAD2 exomes
AF:
0.000155
AC:
39
AN:
251372
AF XY:
0.000206
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000835
AC:
119
AN:
1425516
Hom.:
3
Cov.:
27
AF XY:
0.000117
AC XY:
83
AN XY:
711890
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
32680
American (AMR)
AF:
0.00
AC:
0
AN:
44678
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25894
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39482
South Asian (SAS)
AF:
0.00136
AC:
116
AN:
85446
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53386
Middle Eastern (MID)
AF:
0.000175
AC:
1
AN:
5706
European-Non Finnish (NFE)
AF:
9.27e-7
AC:
1
AN:
1079122
Other (OTH)
AF:
0.0000169
AC:
1
AN:
59122
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.489
Heterozygous variant carriers
0
7
15
22
30
37
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000395
AC:
6
AN:
152074
Hom.:
0
Cov.:
32
AF XY:
0.0000673
AC XY:
5
AN XY:
74278
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41396
American (AMR)
AF:
0.00
AC:
0
AN:
15248
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00104
AC:
5
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10596
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68026
Other (OTH)
AF:
0.000479
AC:
1
AN:
2086
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.550
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000214
AC:
26

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
1
Congenital contractural arachnodactyly (1)
-
1
-
Familial thoracic aortic aneurysm and aortic dissection (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.081
T
BayesDel_noAF
Uncertain
0.070
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.72
D
Eigen
Uncertain
0.56
Eigen_PC
Uncertain
0.62
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.92
D
M_CAP
Benign
0.041
D
MetaRNN
Benign
0.19
T
MetaSVM
Uncertain
0.18
D
MutationAssessor
Benign
0.63
N
PhyloP100
8.0
PrimateAI
Uncertain
0.77
T
PROVEAN
Pathogenic
-4.4
D
REVEL
Pathogenic
0.71
Sift
Benign
0.29
T
Polyphen
0.93
P
Vest4
0.61
MVP
0.54
MPC
0.89
ClinPred
0.16
T
GERP RS
5.3
Varity_R
0.32
gMVP
0.47
Mutation Taster
=79/21
polymorphism

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

Other links and lift over

dbSNP: rs369652475; hg19: chr5-127638683; API