Cys residues were analyzed according to their Solvent Access Surface (SAS) and distance of the Cys-sulfur atom from positively charged residues.

The methodology of the analyses performed is described in the Materials and Methods.
1According to MS analyses.
2Solvent Access Surface.
3Positively charged residues identified as close to Cys residues shown in the first column.
4Distance between positive charge and the Cys sulfur atom.
5The fractional values (Relative) are the surface areas of the residues relative to those of the exposed residue in the tripeptide Ala-X-Ala, where X is the residue of interest.