- Protocadherin Alpha 7 (PCDHa7)
 - Protocadherin Alpha 8 (PCDHa8)
 - Protocadherin Alpha 9 (PCDHa9)
 - Protocadherin Alpha 10 (PCDHa10)
 - Protocadherin Alpha 11 (PCDHa11)
 - Protocadherin Alpha 12 (PCDHa12)
 - Protocadherin Alpha 3 (PCDHa3)
 - Protocadherin Alpha 2 (PCDHa2)
 - Protocadherin 15 (PCDH15)
 - Protocadherin 12 (PCDH12)
 - Protocadherin 17 (PCDH17)
 - Protocadherin 18 (PCDH18)
 - Protocadherin 19 (PCDH19)
 - Protocadherin 20 (PCDH20)
 - Protocadherin 21 (PCDH21)