The UMD-FBN1 mutations database
Record ID: 442

Mutation description


Variation name (cDNA level)Variation name (protein level)Variation statusVariation class
c.IVS46+5G>A (c.5788+5G>A)HeterozygousMutation

wt codonwt aamutant codonmutant aamutational eventmutation type
GATAspspl+5Spl.G->ATs

StructureKey Residue (HCD)Pyrimidin doubletCpG
cb EGF-like #29 Ca2+ binding

Mutation impact


At the mRNA levelOn restriction map
Skipping of exon 46, in frameNew restriction site(s): none
Lost restriction site(s): none

Impact on splicing
Splice site type Wild type sequence CV Mutant type sequence CV Variation (%)
Donor
TAGgtgcgt
88.1 _
TAGgtgcat
75.9 _ *
-13.8 %

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
BEL01GHE F0068 I1316ProbandMalede novo10 years oldBELGIUM

Phenotypic groupDisease
NAClassical MFS

Clinical data


Symptom
C-Asc. aortic dilatation
C-Mitral valve prolapse
CF-Dolichocephaly
CF-Down-slanting palpebral fissures
CF-Malar hypoplasia
CF-Retrognathia
O-Ectopia lentis
S-Arachnodactyly (M)
S-Arm span/height >1.05 (M)
S-Chest deformity (unspecified)
S-Joint hypermobility (m)
S-Scoliosis > 20° (M)(1)

Reference


Reference IDPubMed IDReference
8911700157
Loeys B, Nuytinck L, Delvaux I, De Bie S, De Paepe A. "Genotype and phenotype analysis of 171 patients referred for molecular study of the fibrillin-1 gene FBN1 because of suspected Marfan syndrome". Arch Intern Med. 2001 Nov 12;161(20):2447-54.