The UMD-FBN1 mutations database
Record ID: 1900

Mutation description


Variation name (cDNA level)Variation name (protein level)Variation statusVariation class
c.IVS63-2A>G (c.8052-2A>G)HeterozygousMutation

wt codonwt aamutant codonmutant aamutational eventmutation type
GGGGlyspl-2Spl.A->GTs

StructureKey Residue (HCD)Pyrimidin doubletCpG
cb EGF-like #43 

Mutation impact


At the mRNA levelOn restriction map
Skipping of exon 64, frameshiftNew restriction site(s): none
Lost restriction site(s): none

Impact on splicing
Splice site type Wild type sequence CV Mutant type sequence CV Variation (%)
Acceptor
cttctgctgcagGC
92.9 _
cttctgctgcggGC
63.9 _ *
-31.2 %

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
USA05HOU F0016 I01ProbandFemalede novoU.S.A.

Phenotypic groupDisease
NAUnknown

Clinical data


Symptom
C-Mitral valve prolapse
O-Ectopia lentis
O-Microcornea
S-Arachnodactyly (M)
S-High arched palate
S-Increased body length
S-Joint hypermobility (m)

Reference


Reference IDPubMed IDReference
12012695261
Vital MC, Mintz-Hittner HA, Milewicz DM. "Microcornea and subluxated lenses due to a splicing error in the fibrillin-1 gene in a patient with Marfan syndrome". Arch Ophthalmol. 2003 Apr;121(4):579-81.