acrosome actin actin-binding protein actinin alpha catenin amyloplast axoneme basal body beta-catenin biosynthesis catenin caulobacter crescentus cell division cell membrane cell nucleus cell wall centrosome chloroplast chromoplast cilium cleavage furrow cofilin crescentin cytokeratin cytokinesis cytoplasm cytoplasmic streaming cytosol delta catenin desmin desmoplakin destrin digital object identifier double helix dynamin dynein dystroglycan dystrophin embryo endomembrane system endoplasmic reticulum endosome endosymbiont eukaryote excluded volume fibroblast flagellum ftsz gelsolin gene glial cell glial fibrillary acidic protein glyoxysome golgi apparatus guanosine triphosphate hair helix intermediate filament internexin keratin kinesin lmna lamellipodia lamin lamin b lysosome macromolecular crowding major sperm protein melanosome mesenchyme microbody microfilament microtubule microtubule-associated protein microtubule organizing center microvillus mitochondrion mitosis mreb myosin nanometre neurofilament neuronal process nuclear lamina nucleolus parm parenthesome paul wintrebert peripherin peroxisome phagosome phalloidin plasmid plastid plectin profilin prokaryotic cytoskeleton proteasome protein protein structure pseudopod pubmed central ribosome sptb sarcomere scaffolding signal transduction skeletal muscle skeleton skin spectrin spindle pole body stathmin syncoilin synemin tau protein tektin tropomodulin tropomyosin troponin troponin c troponin i troponin t tubulin type ii keratin type i keratin utrophin vacuole vibrio vimentin vinculin weibel-palade body wiskott-aldrich syndrome protein