| CLA | Calyculin A |
| CPI-17 | Protein kinase C-activated protein phosphatase-1 inhibitor of 17 kDa |
| Flag-LIMK2-1 | Flag-tagged LIM kinase 2 isoform 1 |
| GBPI-1 | Gastrointestinal- and brain-specific PP1 inhibitor |
| HA-PP1cα | HA-tagged protein phosphatase 1 catalytic subunit α isoform |
| HA-PP1cδ | HA-tagged protein phosphatase 1 catalytic subunit δ isoform |
| KEPI | Kinase C-enhanced PP1 inhibitor |
| LIMK2 | LIM kinase 2 |
| LIMK2-1 | LIM kinase 2 isoform 1 |
| MLC20 | 20 kDa light chain of myosin |
| 32P-MLC20 | 32P-labeled MLC20 |
| MP | Myosin phosphatase |
| MYPT1 | Myosin phosphatase target subunit-1 |
| PHI-1 | Pphosphatase holoenzyme inhibitor-1 |
| PKC | Protein kinase C |
| PMA | Phorbol 12-myristate 13-acetate |
| PP1 | Protein phosphatase-1 |
| PP1c | PP1 catalytic subunit |
| PP1cα | PP1 catalytic subunit α isoform |
| PP1cδ | PP1 catalytic subunit δ isoform |