The UMD-FBN1 mutations database
Record ID: 493

Mutation description


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

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

StructureKey Residue (HCD)Pyrimidin doubletCpG
cb EGF-like #18 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 (%)
Acceptor
tcatttttccagAC
89.3 _
tcatttttccggAC
60.4 _ *
-32.4 %

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
FRA01BOU F0185 I0224ProbandMalede novoU.S.A.

Phenotypic groupDisease
NANeonatal MFS

Clinical data


SymptomAge
C-Asc. aortic dilatation0,25
CF-Down-slanting palpebral fissures0,25
L-Pulmonary emphysema0,25
L-Tracheobronchomalacia0,25
OS-Cryptorchidism0,25
S-Abnormal ears
S-Arachnodactyly (M)
S-High arched palate
S-Increased body length
S-Joint hypermobility (m)0,25
S-Joint limitations
S-Pectus excavatum moderate (m)(1)0,25
S-Plain pes planus (M)(1)0,25
S-Scoliosis > 20° (M)(1)0,25
SI-Loose, redundant skin

Reference


Reference IDPubMed IDReference
13715666366
Shinawi M, Boileau C, Brik R, Mandel H, Bentur L. "Splicing mutation in the fibrillin-1 gene associated with neonatal Marfan syndrome and severe pulmonary emphysema with tracheobronchomalacia". Pediatr Pulmonol. 2005 Apr;39(4):374-8.