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Hydrophobicity maps                   

Surface Diver uses the hydrophobicity scale introduced by Rose et al.:

residuehydrophobicity
ALA0.74
GLY0.72
VAL0.86
LEU0.85
ILE0.88
PRO0.64
PHE0.88
TYR0.76
TRP0.85
SER0.66
THR0.70
ASN0.63
GLN0.62
CYS0.91
MET0.85
ASP0.62
GLU0.62
HIS0.78
LYS0.52
ARG0.64


To map hydrophobicity onto the surface of a molecule, using the above table, each atom of a certain residue is assigned a similar hydrophobicity index, which is equal to the hydrophobicity of the residue that contains this atom.
Hydrophobicity at a particular point of the surface of the molecule is computed as:



where HBa,aa is the hydrophobicity index of a given atom (residue) and ga is a Gaussian function centered on atom a

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