The UMD-FBN1 mutations database
Record ID: 1532

Mutation description


Variation name (cDNA level)Variation name (protein level)Variation statusVariation class
c.IVS45+2T>G (c.5671+2T>G)HeterozygousMutation

wt codonwt aamutant codonmutant aamutational eventmutation type
GACAspspl+2Spl.T->GTv

StructureKey Residue (HCD)Pyrimidin doubletCpG
cb EGF-like #28 Ca2+ binding

Mutation impact


At the mRNA levelOn restriction map
Not tested on cDNANew 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
TGGgtaagt
93.2 _
TGGggaagt
66.3 _ *
-28.8 %

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
ITA01FLO F0060 I01ProbandNAde novo(17 years old)ITALIA

Phenotypic groupDisease
NAClassical MFS

Clinical data


SymptomAge
C-Asc. aortic dilatation17
C-Mitral valve prolapse17
O-Ectopia lentis17
S-Arachnodactyly (M)17
S-Arm span/height >1.05 (M)17
S-Pectus carinatum (M)(2)17
SI-Significant striae atrophicae (m)(1)17

Reference


Reference IDPubMed IDReference
14618435798
Attanasio M, Lapini I, Evangelisti L, Lucarini L, Giusti B, Porciani MC, Fattori R, Anichini C, Abbate R, Gensini GF, Pepe G. "FBN1 mutation screening of patients with Marfan syndrome and related disorders: detection of 46 novel FBN1 mutations". Clin Genet. 2008 Jul;74(1):39-46.