The table shows the use of statistics from the DALI program in assigning families to clans. For each clan that contains more than one family, the type family or subfamily is marked with an asterisk and highlighted, and the type PDB accession for the family, and thus for the whole clan, is highlighted. Data shown for other families in the clan are (PDB_1) a PDB accession from the family, (PDB_2) the PDB accession of a peptidase already in the clan, and (Z Score) the Z score returned by DALI. Z values above 6 were taken to be highly significant.
| Clan | Subfamily | PDB_1 | PDB_2 | Z Score |
| AA | A1 * | 1PSO | - | - |
| A2A | 1HVC | 1PSO | 9.6 | |
| AF | A26 | 1I78 | - | - |
| GA | G1 * | 1S2B | - | - |
| CA | C1A * | 1POP | - | - |
| C1B | 3GCB | 1POP | 15.2 | |
| C2 | 1KXR_A | 1POP | 6.4 | |
| C10 | 1DKI_A | 3GCB | 8.3 | |
| C12 | 1UCH | 1UKF_A | 3.3 | |
| C19 | 1NB8_A | 1QMY_A | 6.5 | |
| C28 | 1QMY_A | 1CV8 | 6.8 | |
| C47 | 1CV8 | 1POP | 11.9 | |
| C58 | 1UKF_A | 1KXR_A | 4.1 | |
| CD | C14 * | 1ICE | - | - |
| C25 | 1CVR_A | 1ICE | 6.0 | |
| CE | C5 * | 1AVP_A | - | - |
| C48 | 1EUV_A | 1AVP_A | 9.6 | |
| CF | C15 | 1A2Z_A | - | - |
| CL | C60 | |||
| CF | C15 | 1A2Z_A | - | - | - | - |
| MA(E) | M1 | 1HS6_A | 1HYT | 11.7 |
| M2 | 1O86_A | 1I1I_P | 20.8 | |
| M3A | 1I1I_P | 1HS6_A | 4.9 | |
| M4 * | 1HYT | - | - | |
| M13 | 1DMT_A | 1HYT | 6.2 | |
| M27 | 1F82_A | 1HYT | 3.9 | |
| M32 | 1K9X_A | 1HYT | 5.4 | |
| M34 | 1J7N_B | 1DMT_A | 4.5 | |
| M35 | 1G12 | 1DMT_A | 4.1 | |
| MA(M) | M7 | 1KUH | 1AST | 11.4 |
| M8 | 1LML | 1HFC | 8.6 | |
| M10A | 1HFC | 1AST | 10.7 | |
| M10B | 1SAT | 1AST | 10.5 | |
| M12A * | 1AST | - | - | |
| M12B | 1ATL_A | 1AST | 7.0 | |
| MC | M14A * | 3CPA | - | - |
| M14B | 1QMU_A | 3CPA | 32.0 | |
| MD | M15A | 1LBU | 1R44_A | 5.5 |
| M74 | 1TZP | 1R44_A | 6.0 | |
| ME | M16B | 1HR6_B | - | - |
| MF | M17 | 1BLL | - | - |
| MG | M24A * | 1MAT | - | - |
| M24B | 1AZ9 | 1MAT | 20.9 | |
| MH | M20A | 1CG2_A | 1AMP | 25.4 |
| M20B | 1FNO_A | 1AMP | 19.4 | |
| M28A * | 1XJO | 1AMP | 32.0 | |
| M28B | 1CX8_B | 1AMP | 30.6 | |
| M28E | 1AMP | - | - | |
| M42 | 1VHE_A | 1AMP | 22.2 | |
| MJ | M19 * | 1ITQ_A | - | - |
| M38 | 1ONW | 1ITQ_A | 15.4 | |
| ML | M52 * | 1CFZ_A | - | - |
| M63 | 1C8B_A | 1CFZ_A | 8.4 | |
| MK | M22 | 1OKJ_A | - | - |
| MN | M55 | 1HI9 | - | - |
| MQ | M29 | 1ZJC | - | - |
| PA | C3A | 1CQQ_A | 1HAV_A | 21.0 |
| C3B | 2HRV_A | 1HAV_A | 12.0 | |
| C3E | 1HAV_A | 5PTP | 12.1 | |
| C4 | 1LVB_A | 1HAV_A | 16.1 | |
| C30 | 1P9S_A | 1LVB_A | 13.4 | |
| S1A * | 5PTP | - | - | |
| S1B | 1AGJ_A | 1HAV_A | 12.7 | |
| S1C | 1KY9_A | 1HAV_A | 12.7 | |
| S1D | 1ARB | 1HAV_A | 13.6 | |
| S1E | 1QQ4_A | 1HAV_A | 11.2 | |
| S3 | 1SVP_A | 1HAV_A | 8.9 | |
| S7 | 1DF9 | 1JXP_A | 21.3 | |
| S29 | 1JXP_A | 1HAV_A | 9.7 | |
| S32 | 1MBM_A | 1HAV_A | 10.2 | |
| PB | C44 | 1ECF_B | 1PMA_P | 4.9 |
| C59 | 3PVA_A | 1PMA_P | 10.8 | |
| S45 | 1KEH | 1PMA_P | 8.3 | |
| S58 | 1B65_A | - | - | |
| T1A | 1PMA_P | - | - | |
| T1B | 1NED_A | 1PMA_P | 20.9 | |
| T2 | 9GAC | 1ECF_B | 5.2 | |
| PC | C26 | 1L9X_A | 1G2I_A | 6.5 |
| C56 | 1G2I_A | 1FYE_A | 6.1 | |
| S51 | 1FYE_A | - | - | |
| SB | S8A * | 1SCN | - | - |
| S8B | 1OT5_A | 1SCN | 36.4 | |
| S53 | 1GA4 | 1OT5_A | 25.4 | |
| SC | S9A | 1QFM_A | 1N1M_A | 26.1 |
| S9B | 1N1M_A | 1BCS | 6.9 | |
| S10 * | 1BCS | - | - | |
| S15 | 1LNS_A | 1BCS | 6.5 | |
| S33 | 1QTR_A | 1BCS | 7.6 | |
| SE | S11 * | 1SKF | - | - |
| S12 | 3PTE | 1SKF | 12.4 | |
| SF | S24 * | 1UMU | - | - |
| S26A | 1B12_A | 1UMU | 6.0 | |
| SH | S21 | 1LAY | - | - |
| SJ | S16 | 1RR9_A | - | - |
| SK | S14 * | 1TYF_A | - | - |
| S41A | 1FC6_A | 1TYF_A | 8.1 | |
| SP | S59 | 1KO6 | - | - |
| SR | S60 | 1LCT | - | - |