| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q21181 | Zinc metalloproteinase nas-19; EC 3.4.24.21; Nematode astacin 19; | nas-19; | NP_505893.2; | 396 | c.elegen |
| O62243 | Zinc metalloproteinase nas-1; EC 3.4.24.21; Nematode astacin 1; | nas-1; | NP_499768.2; | 270 | c.elegen |
| Q22396 | Zinc metalloproteinase nas-20; EC 3.4.24.21; Nematode astacin 20; | nas-20; | NP_505906.2; | 379 | c.elegen |
| Q22401 | Zinc metalloproteinase nas-21; EC 3.4.24.-; Nematode astacin 21; | nas-21; | NP_505907.2; | 380 | c.elegen |
| Q22398 | Zinc metalloproteinase nas-22; EC 3.4.24.21; Nematode astacin 22; | nas-22; | NP_505908.2; | 367 | c.elegen |
| Q93542 | Zinc metalloproteinase nas-24; EC 3.4.24.21; Nematode astacin 24; | nas-24; | NP_506409.2; | 396 | c.elegen |
| Q7Z0M7 | Zinc metalloproteinase nas-23; EC 3.4.24.21; Nematode astacin 23; | nas-23; | NP_001022281.1; | 537 | c.elegen |
| Q20459 | Zinc metalloproteinase nas-25; EC 3.4.24.21; Nematode astacin 25; | nas-25; | NP_495880.1; | 399 | c.elegen |
| Q22710 | Zinc metalloproteinase nas-26; EC 3.4.24.21; Nematode astacin 26; Tollish protein 1; | toh-1; nas-26; | NP_497769.3; | 414 | c.elegen |
| O17264 | Zinc metalloproteinase nas-27; EC 3.4.24.21; Nematode astacin 27; | nas-27; | NP_493926.2; | 428 | c.elegen |
| P98061 | Zinc metalloproteinase nas-28; EC 3.4.24.21; Nematode astacin 28; | nas-28; | NP_498342.3; | 497 | c.elegen |
| Q20958 | Zinc metalloproteinase nas-29; EC 3.4.24.21; Nematode astacin 29; | nas-29; | NP_494953.3; | 532 | c.elegen |
| Q9N5R0 | Zinc metalloproteinase nas-2; EC 3.4.24.21; Nematode astacin 2; | nas-2; | NP_503678.2; | 293 | c.elegen |
| Q9N2V2 | Zinc metalloproteinase nas-30; EC 3.4.24.21; Nematode astacin 30; | nas-30; | NP_490795.3; | 685 | c.elegen |
| Q7JLI1 | Zinc metalloproteinase nas-31; EC 3.4.24.21; Nematode astacin 31; | nas-31; | NP_001023993.1;NP_001023994.1; | 611 | c.elegen |
| O16977 | Zinc metalloproteinase nas-32; EC 3.4.24.21; Nematode astacin 32; | nas-32; | NP_503351.2; | 651 | c.elegen |
| P55114 | Zinc metalloproteinase nas-33; EC 3.4.24.21; Nematode astacin 33; | nas-33; | NP_509086.2; | 644 | c.elegen |
| Q21059 | Zinc metalloproteinase nas-34; EC 3.4.24.21; Defective hatching protein 1; Nematode astacin 34; | hch-1; nas-34; | NP_510440.1; | 605 | c.elegen |
| P98060 | Zinc metalloproteinase dpy-31; EC 3.4.24.21; Nematode astacin 35; Protein dumpy-31; Tollish protein 2; | dpy-31; nas-35 toh-2; | NP_001022731.1;NP_001022732.1; | 592 | c.elegen |
| Q18206 | Zinc metalloproteinase nas-36; EC 3.4.24.21; Nematode astacin 36; | nas-36; | NP_492109.2; | 617 | c.elegen |
