| Index | Gene Name Primary | Uniprot ID | Protein Name | Gene Name Synonym | PDB codes |
| 1 | CTSB | P07858 | Cathepsin B | CPSB | 1csb 1gmy 1huc 2ipp 3ai8 3cbj 3cbk 3k9m 3pbh 5mbl 5mbm 6ay2 |
| 2 | CTSC | P53634 | Dipeptidyl peptidase 1 | CPPI | 1k3b 2djf 2djg 3pdf 4cdc 4cdd 4cde 4cdf 4oel 4oem 6ic5 6ic6 6ic7 6rn6 6rn7 6rn9 6rne 6rni |
| 3 | CTSF | Q9UBX1 | Cathepsin F | | 1m6d |
| 4 | CTSH | P09668 | Pro-cathepsin H [Cleaved into: Cathepsin H mini chain; Cathepsin H | CPSB | 6czk 6czs |
| 5 | CTSK | P43235 | Cathepsin K | CTSO CTSO2 | 1atk 1au0 1au2 1au3 1au4 1ayu 1ayv 1ayw 1bgo 1by8 1mem 1nl6 1nlj 1q6k 1snk 1tu6 1u9v 1u9w 1u9x 1yk7 1yk8 1yt7 2ato 2aux 2auz 2bdl 2r6n 3c9e 3h7d 3kw9 3kwb 3kwz 3kx1 3o0u 3o1g 3ovz 4dmx 4dmy 4n79 4n8w 4x6h 4x6i 4x6j 4yv8 4yva 5j94 5ja7 5jh3 5tdi 5tun 5z5o 6ash 6qbs 6hgy 2f7d |
| 6 | CTSL | P07711 | Cathepsin L1 | CTSL1 | 1cjl 1cs8 1icf 1mhw 2nqd 2xu1 2xu3 2xu4 2xu5 2yj2 2yj8 2yj9 2yjb 2yjc 3bc3 3h89 3h8b 3h8c 3hha 3hwn 3iv2 3k24 3kse 3of8 3of9 4axl 4axm 5f02 5i4h 5mae 5maj 5mqy 6ezp 6ezx 6f06 |
| 7 | CTSS | P25774 | Cathepsin S | | 1glo 1ms6 1npz 1nqc 2c0y 2f1g 2fq9 2fra 2frq 2ft2 2fud 2fye 2g6d 2g7y 2h7j 2hh5 2hhn 2hxz 2op3 2r9m 2r9n 2r9o 3iej 3n3g 3n4c 3ovx 4p6e 4p6g 5qbu 5qbv 5qbx 5qby 5qbz 5qc0 5qc1 5qc2 5qc3 5qc4 5qc5 5qc6 5qc7 5qc8 5qc9 5qca 5qcb 5qcc 5qcd 5qce 5qcf 5qcg 5qch 5qci 5qcj |
| 8 | CTSV | O60911 | Cathepsin L2 | CATL2 CTSL2 CTSU | 1fh0 3h6s 3kfq |
| 9 | CTSZ | Q9UBR2 | Cathepsin Z | | 1deu 1ef7 |