The UMD-FBN1 mutations database
Record ID: 35

Mutation description


Variation name (cDNA level)Variation name (protein level)Variation statusVariation class
c.IVS31-2A>T (c.3965-2A>T)HeterozygousMutation

wt codonwt aamutant codonmutant aamutational eventmutation type
GACAspspl-2Spl.A->TTv

StructureKey Residue (HCD)Pyrimidin doubletCpG
cb EGF-like #18 Ca2+ binding

Mutation impact


At the mRNA levelOn restriction map
Skipping of exon 32, 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 (%)
Acceptor
tcatttttccagAC
89.3 _
tcatttttcctgAC
60.4 _ *
-32.4 %

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
USA02OMA F0003 I497ProbandFemaleNAnewborn3 monthsU.S.A

Phenotypic groupDisease
NANeonatal MFS

Clinical data


Symptom
C-Asc. aortic dilatation
C-Congestive heart failure
C-Mitral regurgitation
C-Mitral valve prolapse
C-Tricuspid valve prolapse
S-Abnormal ears
S-Arachnodactyly (M)
S-Characteristic facial appearance
S-Joint hypermobility (m)
S-Joint limitations

Reference


Reference IDPubMed IDReference
177633409
Wang M, Price C, Han J, Cisler J, Imaizumi K, Van Thienen MN, DePaepe A, Godfrey M. "Recurrent mis-splicing of fibrillin exon 32 in two patients with neonatal Marfan syndrome". Hum Mol Genet 1995 Apr;4(4):607-13.