5-128349309-T-G

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_001999.4(FBN2):​c.2989+38A>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00019 in 1,613,554 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00022 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00019 ( 1 hom. )

Consequence

FBN2
NM_001999.4 intron

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.02
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 -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 5-128349309-T-G is Benign according to our data. Variant chr5-128349309-T-G is described in ClinVar as [Likely_benign]. Clinvar id is 258515.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000217 (33/152340) while in subpopulation EAS AF= 0.00578 (30/5190). AF 95% confidence interval is 0.00416. There are 0 homozygotes in gnomad4. There are 14 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 33 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FBN2NM_001999.4 linkuse as main transcriptc.2989+38A>C intron_variant ENST00000262464.9 NP_001990.2 P35556-1
FBN2XM_017009228.3 linkuse as main transcriptc.2836+38A>C intron_variant XP_016864717.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FBN2ENST00000262464.9 linkuse as main transcriptc.2989+38A>C intron_variant 1 NM_001999.4 ENSP00000262464.4 P35556-1
FBN2ENST00000508989.5 linkuse as main transcriptc.2890+38A>C intron_variant 2 ENSP00000425596.1 D6RJI3

Frequencies

GnomAD3 genomes
AF:
0.000217
AC:
33
AN:
152222
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:
0.00577
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000434
AC:
109
AN:
250930
Hom.:
0
AF XY:
0.000361
AC XY:
49
AN XY:
135626
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00566
Gnomad SAS exome
AF:
0.000131
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000188
AC:
274
AN:
1461214
Hom.:
1
Cov.:
31
AF XY:
0.000169
AC XY:
123
AN XY:
726946
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00592
Gnomad4 SAS exome
AF:
0.000290
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.000215
GnomAD4 genome
AF:
0.000217
AC:
33
AN:
152340
Hom.:
0
Cov.:
32
AF XY:
0.000188
AC XY:
14
AN XY:
74498
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00578
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000280
Asia WGS
AF:
0.00375
AC:
13
AN:
3478

ClinVar

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

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
0.22
DANN
Benign
0.60

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: rs148276970; hg19: chr5-127685001; API