| A8QCH0 | FEN1_BRUMA | Brugia malayi (Filarial nematode worm) | FEN1 Bm1_49605 | Detail |
| D1ZT73 | FEN1_SORMK | Sordaria macrospora (strain ATCC MYA-333 / DSM 997 / K(L3346) / K-hell) | FEN1 SMAC_08742 | Detail |
| A8B672 | FEN1_GIAIC | Giardia intestinalis (strain ATCC 50803 / WB clone C6) (Giardia lamblia) | FEN1 GL50803_16953 | Detail |
| C5DGG4 | FEN1_LACTC | Lachancea thermotolerans (strain ATCC 56472 / CBS 6340 / NRRL Y-8284) (Yeast) (Kluyveromyces thermotolerans) | FEN1 KLTH0D05126g | Detail |
| Q5HED3 | MAZF_STAAC | Staphylococcus aureus (strain COL) | mazF SACOL2058 | Detail |
| Q9CPS6 | HINT3_MOUSE | Mus musculus (Mouse) | Hint3 Hint4 | Detail |
| Q61481 | PDE1A_MOUSE | Mus musculus (Mouse) | Pde1a | Detail |
| P9WIY5 | NUCS_MYCTU | Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) | nucS Rv1321 MTCY130.06 | Detail |
| P22434 | PDE1_YEAST | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | PDE1 YGL248W NRB369 | Detail |
| P36599 | PDE1_SCHPO | Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast) | cgs2 pde1 SPCC285.09c | Detail |