| Term | Definition |
| Clathrin | Forms coat inside pit for endocytosis |
| Villin | Binds actin filaments at tip of microvilli in the intestines and kidney |
| Fimbrin | Cross-links actin filaments down length of microvilli, sterocilia, adhesion plaques |
| Nexin | Connects and provided elasticity between neighboring microtubule doublets in axoneme |
| Dynein | Forms arms between subunits A and B to provide bending of cilia; Transports vesicles towards - end of MT |
| Claudin and Occludin | Two that fuse adjacent membranes in zonula occludens in quilted pattern |
| Cadherin | Cell adhesion |
| Talin and Vinculin | Two that bind actin filaments to cell membrane |
| alpha-actinin | Binds actin filaments to cell membrane in filopodia, lemellipodia, stress fibers, adhesion plaques |
| Desmoplakin and Plakoglobin | Two that form dense attachment plaques on cytoplasmic side for desmosomes |
| Desmoglein and Desmocolin | Two Cadherins; Extend across transmembrane gaps to attach 2 membranes |
| Connexin | Forms gap junctions |
| Integrin | Binds cell membrane to basement membrane in hemidesmosomes |
| Fascin | Actin-crosslinking in filopodia, lamellipodia, stress fibers, microvilli, and acrosomal process |
| Filamin | Actin-binding in filopodia, pseudopodia, and stress fibers |
| Severin | Severing and capping of + ends of actin filaments |
| Gelsolin | Severing and capping of + ends of actin filaments |
| CapZ | Capping of + ends of actin filaments |
| Tropomodulin and Arp 2/3 Complex | Two that cap of - ends of actin filaments |
| Cofilin | Dissociation of - ends of actin filaments |
| Kinesin | Transports vesicles towards + end of MT |
| Dynein | Transports vesicles towards - end of MT |
| Dystrophin | Actin-binding in muscle cortical networks |
| Spectrin | Actin-binding protein in RBCs; Allows RBC to deform, maintain flexibility |
| Leptin | Produced by adipocyte that targets the hypothalamus |
| Thermogenin | Mitochondrial membrane protein permits the back flow of protons for heat |