Secondary Structures for Family A1
| A01.001: pepsin A 1PSO |
 |
| A01.003: gastricsin 1AVF |
 |
| A01.004: BACE1 g.p. (Homo sapiens) 1FKN_A |
 |
| A01.006: chymosin 4CMS |
 |
| A01.007: renin 2REN |
 |
| A01.008: renin-2 1SMR_A |
 |
| A01.009: cathepsin D 1LYB |
 |
| A01.010: cathepsin E 1TZS |
 |
| A01.011: penicillopepsin 1BXO |
 |
| A01.012: rhizopuspepsin 6APR |
 |
| A01.013: mucorpepsin 1MPP |
 |
| A01.014: candidapepsin SAP1 2QZW |
 |
| A01.016: aspergillopepsin I 1IBQ_A |
 |
| A01.017: endothiapepsin 4ER2 |
 |
| A01.018: saccharopepsin 2JXR |
 |
| A01.019: polyporopepsin 1WKR |
 |
| A01.020: phytepsin 1B5F_A |
 |
| A01.021: plasmepsin (Plasmodium sp.) 1QS8 |
 |
| A01.022: plasmepsin-1 3QS1 |
 |
| A01.023: plasmepsin-2 1SME |
 |
| A01.027: trichodermapepsin 3C9Y |
 |
| A01.037: canditropsin 1J71 |
 |
| A01.038: candiparapsin 3FV3 |
 |
| A01.041: BACE2 g.p. (Homo sapiens) 2EWY_A |
 |
| A01.059: plasmepsin-4 1LS5_A |
 |
| A01.060: candidapepsin SAP2 1EAG_A |
 |
| A01.061: candidapepsin SAP3 2H6T_A |
 |
| A01.063: candidapepsin SAP5 2QZX |
 |
| A01.UPA: subfamily A1A unassigned peptidases 1IZD |
 |
