12 CYS  SG     15 CYS  H       2.30
 12 CYS  SG     15 CYS  N       3.30
 22 CYS  SG     24 LYS  H       2.30
 22 CYS  SG     24 LYS  N       3.30
 29 CYS  SG     32 CYS  H       2.30
 29 CYS  SG     32 CYS  N       3.30