chr5-128289888-G-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP6_ModerateBS2

The NM_001999.4(FBN2):​c.6505C>T​(p.Arg2169Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000108 in 1,576,668 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000091 ( 0 hom. )

Consequence

FBN2
NM_001999.4 missense

Scores

5
10
3

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 7.68
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 -6 ACMG points.

BP6
Variant 5-128289888-G-A is Benign according to our data. Variant chr5-128289888-G-A is described in ClinVar as [Benign]. Clinvar id is 528401.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAdExome4 at 13 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FBN2NM_001999.4 linkc.6505C>T p.Arg2169Cys missense_variant 51/65 ENST00000262464.9 NP_001990.2 P35556-1
FBN2XM_017009228.3 linkc.6352C>T p.Arg2118Cys missense_variant 50/64 XP_016864717.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FBN2ENST00000262464.9 linkc.6505C>T p.Arg2169Cys missense_variant 51/651 NM_001999.4 ENSP00000262464.4 P35556-1
FBN2ENST00000703783.1 linkn.3289C>T non_coding_transcript_exon_variant 26/38
FBN2ENST00000703785.1 linkn.3208C>T non_coding_transcript_exon_variant 25/27

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152080
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000913
AC:
13
AN:
1424588
Hom.:
0
Cov.:
26
AF XY:
0.00000562
AC XY:
4
AN XY:
711230
show subpopulations
Gnomad4 AFR exome
AF:
0.0000610
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:
0.00000927
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152080
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74304
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:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000189

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), LabcorpMay 25, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.87
BayesDel_addAF
Pathogenic
0.33
D
BayesDel_noAF
Pathogenic
0.24
CADD
Pathogenic
31
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.57
D;.;D
Eigen
Uncertain
0.36
Eigen_PC
Uncertain
0.52
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D;.;.
M_CAP
Uncertain
0.11
D
MetaRNN
Uncertain
0.45
T;T;T
MetaSVM
Uncertain
0.052
D
MutationAssessor
Benign
-1.2
N;.;N
PrimateAI
Pathogenic
0.81
D
PROVEAN
Uncertain
-2.6
D;.;D
REVEL
Uncertain
0.58
Sift
Benign
0.18
T;.;T
Polyphen
1.0
D;.;D
Vest4
0.57
MutPred
0.48
Loss of disorder (P = 0.0894);.;Loss of disorder (P = 0.0894);
MVP
0.54
MPC
0.92
ClinPred
0.99
D
GERP RS
6.0
Varity_R
0.16
gMVP
0.66

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: rs1450302477; hg19: chr5-127625580; COSMIC: COSV105107662; API