The UMD-FBN1 mutations database
Record ID: 11

Mutation description


Variation name (cDNA level)Variation name (protein level)Variation statusVariation class
c.IVS53+1G>C (c.6616+1G>C)HeterozygousMutation

wt codonwt aamutant codonmutant aamutational eventmutation type
GATAspspl+1Spl.G->CTv

StructureKey Residue (HCD)Pyrimidin doubletCpG
cb EGF-like #34 Ca2+ binding

Mutation impact


At the mRNA levelOn restriction map
Skipping of exon 53, 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
AAGgtacat
78.1 _
AAGctacat
51.2 _ *
-34.4 %

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
USA02OMA F0001 I01ProbandFemalefamilial? (19 years old)U.S.A

Phenotypic groupDisease
NAClassical MFS

Clinical data


SymptomSeverity
C-Asc. aortic dilatation
C-Mitral valve prolapse
O-Ectopia lentis
O-Myopia >3 diopters (1)severe
S-Arachnodactyly (M)
S-Arm span/height >1.05 (M)
S-Chest deformity (unspecified)
S-Dolichostenomelia
S-High arched palatesurgery
S-Increased body length
S-Joint hypermobility (m)
S-Joint limitationsmild
S-Joint limitations
S-Long bone over growth
S-Reduced US/LS ratio <0.87 (M)
S-Scoliosis > 20° (M)(1)

Reference


Reference IDPubMed IDReference
68101042
Godfrey M, Vandemark N, Wang M, Velinov M, Wargowski D, Tsipouras P, Han J, Becker J, Robertson W, Droste S, et al. "Prenatal diagnosis and a donor splice site mutation in fibrillin in a family with Marfan syndrome". Am J Hum Genet 1993 Aug;53(2):472-80.