NPHP1 (NPHP1/SLS1/JBTS4) (20–39%)INVS (NPHP2)NPHP3 (NPHP3/MKS7)NPHP4 (NPHP4/SLS4)IQCB1 (NPHP5)CEP290 [NPHP6/SLS6/JBTS5/MKS4/Bardet–Biedl syndrome (BBS)14]TMEM67 (NPHP11/JBTS6/MKS3/COACH). Here, TMEM67 is linked to Bardet-Biedl syndrome.