The SS Calculator
It' a simple tool for providing you with the number of possibilities of SS bridges in your protein.

Availability in NPS@
This method is available :

• At URL : https://npsa-prabi.ibcp.fr/NPSA/npsa_cysteines.html.

Parameters
Either a sequence or a number of Cys (ranging from 1 to 170)

NPS@ SS-Calculator output example
You can see:

• The table of possible combinations for SS bridges in your sequence