The UMD-FBN1 mutations database
Record ID: 271

Mutation description


Variation name (cDNA level)Variation name (protein level)Variation statusVariation class
c.6661T>Cp.Cys2221ArgHeterozygousMutation

wt codonwt aamutant codonmutant aamutational eventmutation type
TGTCysCGTArgT->CTs

StructureKey Residue (HCD)Pyrimidin doubletCpG
cb EGF-like #34 Disulfide bonds 2210-2221 (C3)NoNo

Mutation impact


At the mRNA levelOn restriction map
NANew restriction site(s): Afl III, Mae II
Lost restriction site(s): none

Conservation (0-1)SIFT (0-1)UMD-predictor (0-100)
10.00 (pathogenous)100 (Pathogenous)

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
USA03STA F0062 I15ProbandNANA? (54 years old)U.S.A

Phenotypic groupDisease
Type IVClassical MFS

Clinical data


SymptomSeverity
C-Aortic surgery
C-Asc. aortic dilatation
C-Asc. aortic dissection
C-Mitral regurgitation
C-Mitral valve prolapse
O-Ectopia lentisbilateral
O-Myopia
S-Arachnodactyly (M)
S-Crowding teeth (m)
S-Dolichostenomelia
S-High arched palate
S-Joint hypermobility (m)
S-Joint limitations
S-Pectus excavatum moderate (m)(1)
S-Scoliosis > 20° (M)(1)surgery
SI-Inguinal hernia
SI-Significant striae atrophicae (m)(1)

Reference


Reference IDPubMed IDReference
5710486319
Schrijver I, Liu W, Brenn T, Furthmayr H, Francke U. "Cysteine Substitutions in Epidermal Growth Factor-Like Domains of Fibrillin-1: Distinct Effects on Biochemical and Clinical Phenotypes". Am J Hum Genet 1999 Oct;65(4):1007-1020.