| Index | Gene Name Primary | Uniprot ID | Protein Name | Gene Name Synonym | PDB codes |
| 1 | CTSB | P07858 | Cathepsin B | CPSB | 6ay2 |
| 2 | CTSC | P53634 | Dipeptidyl peptidase 1 | CPPI | 3pdf |
| 3 | CTSF | Q9UBX1 | Cathepsin F | | 1m6d |
| 4 | CTSK | P43235 | Cathepsin K | CTSO CTSO2 | 1au2 3o1g 3kwz 5tdi 2bdl 1yt7 1nlj 1bgo 1u9v 1u9w 1u9x 2f7d 2r6n 3kwb 3kx1 3ovz 4dmy 4x6h 4x6h 4x6i 4x6j 5j94 |
| 5 | CTSL | P07711 | Cathepsin L1 | CTSL1 | 2yj8 2yj2 2xu5 2xu3 2xu4 6f06 5f02 2xu1 2yjc 4axm 5mae 5maj |
| 6 | CTSS | P25774 | Cathepsin S | | 2g7y 2frq 5qcj 5qch 5qc9 5qc4 5qc3 5qc1 5qbz 5qbu 3iej 2f1g 2fq9 2fra 2ft2 2h7j 2hxz 2r9m 2r9n 3n3g 3n3g 3n4c 3ovx 4p6e 4p6g |
| 7 | CTSV | O60911 | Cathepsin L2 | CATL2 CTSL2 CTSU | 1fh0 |