The UMD-FBN1 mutations database
Record ID: 92

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
USA03STA F0007 I0815ProbandNAfamilial?U.S.A

Phenotypic groupDisease
Type IVClassical MFS

Clinical data


Symptom
C-Asc. aortic dilatation
O-Ectopia lentis
O-Myopia
S-Arachnodactyly (M)
S-Chest deformity (unspecified)
S-Dolichostenomelia
S-High arched palate
S-Joint hypermobility (m)
S-Scoliosis > 20° (M)(1)

Reference


Reference IDPubMed IDReference
288894692
Liu W, Qian C, Comeau K, Brenn T, Furthmayr H, Francke U. "Mutant fibrillin-1 monomers lacking EGF-like domains disrupt microfibril assembly and cause severe marfan syndrome". Hum Mol Genet 1996 Oct;5(10):1581-7.