In Depth Variant Analysis:  c.113T>C (p.Val38Ala)

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  c.113T>C
p.Val38Ala (Legacy AA No. 20)

Variant Type:  
Point
Domain:  
Apple 1
Codon Change: 
T>C
Variant Effect: 
Missense
No. of Patients Reported: 
1
Phenotype: 
I
Allele Count *: 
-
Allele Number *: 
-
Allele Frequency *: 
-

Variant Comments & Reference:

Substitution of FXI-Val38 by Ala in BHK cells caused profoundly decreased FXI secretion (22% of wild-type by cells) despite the presence of only slightly reduced amounts of FXI dimer within the cells. Zivelin et al 1999 (Abstract 2), Zucker et al 2007

Patient Information: Show



Residue Information:




  Name Type Cyclic Size Position Hydrophobicity Charge
Wild Type
Val
aliphatic
acyclic
medium
buried
hydrophobic
neutral
Mutated
Ala
aliphatic
acyclic
small
buried
hydrophobic
neutral


Substitution Analysis:



  • Grantham Score : 64
  • PolyPhen-2 Prediction : Possibly Damaging (SCORE: 0.597)
  • SIFT Prediction : Tolerated (SCORE: 0.52)
  • PROVEAN Prediction : Neutral (SCORE: -1.345)

  • Structural Implications:


    Val38 is a buried residue  (surface accessibility value = 0 ).

    Val38 is in a region of secondary structure within the FXI domains.

    The DSSP assignment for this residue is ... E.

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    Factor XI Variant Database