From: Protein sector analysis for the clustering of disease-associated mutations
 | Residue | Sector | Domain/Region | Effect/Associated Phenotype |
---|---|---|---|---|
Spermine Synthase | G56A | Red | N-terminal | Snyder-Robinson syndrome. Expanded phenotype of disease reported in [23] |
 | G67A | Red | N-terminal | New Snyder-Robinson syndrome phenotype. Expanded phenotype of disease reported in [30] |
 | V132A | Red | N-terminal/long loop | Snyder-Robinson syndrome. Expanded phenotype of disease reported in [24] |
 | I150A | Red | Central (beta-strand) | Decrease the stability of the C-terminal region, Snyder-Robinson syndrome |
 | Y328A | Green | C-terminal/catalytic | Mild mental retardation, Snyder-Robinson syndrome |
GDI1 | L92P | - | FAD/NAD(P) binding domain | Non-specific mental retardation |
 | R70TER | Green | FAD/NAD(P) binding domain | Non-specific mental retardation |
 | R423P | Blue | FAD/NAD(P) binding domain | Non-specific mental retardation |