The UMD-DMD France mutations database
Record ID: 1514

Mutation description


Variation name (cDNA level)Variation name (protein level)Variation statusVariation class
c.IVS26+2T>A (c.3603+2T>A)HemizygousMutation

wt codonwt aamutant codonmutant aamutational eventmutation type
AAGLysspl+2Spl.T->ATv

StructureKey Residue (HCD)Pyrimidin doubletCpG
 

Mutation impact


At the mRNA levelOn restriction map
r.[3603_3604ins3603+1_3603+117;3603+2u>a, 3433_3921del]New 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
AAGgtaaaa
84.5 _
AAGgaaaaa
57.7 _ *
-31.7 %

On isoforms (a blue cell indicates that the corresponding isoform is affected by the mutation)
Dp 427cDp 427mDp 427pDp 260Dp 140Dp 116Dp 71
       
Immunofluorescence
dys 1 dys 2 dys 3
 No signal No signal No signal with Revertant fibers
Western Blot
dys 1 dys 2 dys 3
   

Patient and sample data


Sample IDPatient statusGenderTransmissionAge of onsetAge of deathGeographic origin
---131-9-71ProbandMaleFamilialFRANCE

Phenotypic group
 DMD

Reference


Reference IDPubMed IDReference
10510533061
Tuffery-Giraud S, Chambert S, Demaille J, Claustres M. Point mutations in the dystrophin gene: evidence for frequent use of cryptic splice sites as a result of splicing defects. Hum Mutat. 1999, 14(5):359-68.