chr5-128289888-G-A
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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
NM_001999.4 missense
Scores
5
10
3
Clinical Significance
Conservation
PhyloP100: 7.68
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]
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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
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
FBN2 | ENST00000262464.9 | c.6505C>T | p.Arg2169Cys | missense_variant | 51/65 | 1 | NM_001999.4 | ENSP00000262464.4 | ||
FBN2 | ENST00000703783.1 | n.3289C>T | non_coding_transcript_exon_variant | 26/38 | ||||||
FBN2 | ENST00000703785.1 | n.3208C>T | non_coding_transcript_exon_variant | 25/27 |
Frequencies
GnomAD3 genomes AF: 0.0000263 AC: 4AN: 152080Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000913 AC: 13AN: 1424588Hom.: 0 Cov.: 26 AF XY: 0.00000562 AC XY: 4AN XY: 711230
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GnomAD4 genome AF: 0.0000263 AC: 4AN: 152080Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74304
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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 submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | May 25, 2024 | - - |
Computational scores
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Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
DEOGEN2
Uncertain
D;.;D
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
D;.;.
M_CAP
Uncertain
D
MetaRNN
Uncertain
T;T;T
MetaSVM
Uncertain
D
MutationAssessor
Benign
N;.;N
PrimateAI
Pathogenic
D
PROVEAN
Uncertain
D;.;D
REVEL
Uncertain
Sift
Benign
T;.;T
Polyphen
D;.;D
Vest4
MutPred
Loss of disorder (P = 0.0894);.;Loss of disorder (P = 0.0894);
MVP
MPC
0.92
ClinPred
D
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at