Rock Lab

Understanding beautiful movements in biology

Publications from the Rock Lab


  1. Santos A, Kalita J, Rock RS. Slow and steady wins the race: encounters of myosin-5 and myosin-6 on shared actin filaments. bioRxiv
  2. Krenc AK, Rokicka JJ, Rock RS. A FLIC motility assay reveals myosin-6 coordination limited by actin filament buckling. bioRxiv

At the University of Chicago

  1. French AR, Sosnick TR, Rock RS. Investigations of human myosin VI targeting using optogenetically controlled cargo loading. PNAS 2017, in press. bioRxiv
  2. Alcala DB, Haldeman BD, Brizendine RK, Krenc AK, Baker JE, Rock RS, Cremo CR. Myosin light chain kinase steady-state kinetics: comparison of smooth muscle myosin II and nonmuscle myosin IIB as substrates. Cell Biochem Funct. (2016). PubMed
  3. Vavra KC, Xia Y, Rock RS. Competition between coiled-coil structures and the impact on myosin-10 bundle selection. Biophys J. 110(11):2517-27 (2016). PubMed
  4. Zimmermann D, Santos A, Kovar DR, Rock RS. Actin age orchestrates myosin-5 and myosin-6 run lengths. Curr Biol. 25(15):2057-62 (2015). PubMed
  5. Surcel A, Ng WP, West-Foyle H, Zhu Q, Ren Y, Avery LB, Krenc AK, Meyers DJ, Rock RS, Anders RA, Freel Meyers CL, Robinson DN. Pharmacological activation of myosin II paralogs to correct cell mechanics defects. Proc Natl Acad Sci U S A. 112(5):1428-33 (2015). PubMed
  6. Engelmann BW, Kim Y, Wang M, Peters B, Rock RS, Nash PD. The development and application of a quantitative peptide microarray based approach to protein interaction domain specificity space. Mol Cell Proteomics. 13(12):3647-62 (2014). PubMed
  7. Rock RS. Cytoskeletal motors: general principles. In: Lennarz WJ, Lane MD, ed. The Encyclopedia of Biological Chemistry: 2 edition. Vol. 3. Waltham, MA: Academic Press; p. 632–635 (2013).
  8. Rock RS. Molecular motors: a finicky myosin V chooses its own path. Curr Biol. 22(15):R606-8 (2012). PubMed
  9. Spudich JA, Rice SE, Rock RS, Purcell TJ, Warrick HM. The optical trapping dumbbell assay for nonprocessive motors or motors that turn around filaments. Cold Spring Harb Protoc. 2011(11):1372-4 (2011). PubMed
  10. Spudich JA, Rice SE, Rock RS, Purcell TJ, Warrick HM. Attachment of anti-GFP antibodies to microspheres for optical trapping experiments. Cold Spring Harb Protoc. 2011(11):1370-1 (2011). PubMed
  11. Spudich JA, Rice SE, Rock RS, Purcell TJ, Warrick HM. Optical traps to study properties of molecular motors. Cold Spring Harb Protoc. 2011(11):1305-18 (2011). PubMed
  12. Skau CT, Courson DS, Bestul AJ, Winkelman JD, Rock RS, Sirotkin V, Kovar DR. Actin filament bundling by fimbrin is important for endocytosis, cytokinesis, and polarization in fission yeast. J Biol Chem. 286(30):26964-77 (2011). PubMed
  13. Rock RS. Muscle and myosin. In: Roux B, ed. Molecular Machines Singapore: World Scientific Press; p. 99–114 (2011).
  14. Ricca BL, Rock RS. The stepping pattern of myosin X is adapted for processive motility on bundled actin. Biophys J. 99(6):1818-26 (2010). PubMed
  15. Norstrom MF, Smithback PA, Rock RS. Unconventional processive mechanics of non-muscle myosin IIB. J Biol Chem. 285(34):26326-34 (2010). PubMed
  16. Courson DS, Rock RS. Actin cross-link assembly and disassembly mechanics for alpha-actinin and fascin. J Biol Chem. 285(34):26350-7 (2010). PubMed
  17. Nagy S, Rock RS. A structured post-IQ domain governs selectivity of myosin X for fascin-actin bundles. J Biol Chem. 285(34):26608-17 (2010). PubMed
  18. Rock RS. Intracellular transport: force controls motor switching at filament junctions. Curr Biol. 20(12):R525-7 (2010). PubMed
  19. Brawley CM, Uysal S, Kossiakoff AA, Rock RS. Characterization of engineered actin binding proteins that control filament assembly and structure. PLoS One. 5(11):e13960 (2010). PubMed
  20. Huang J, Nagy SS, Koide A, Rock RS, Koide S. A peptide tag system for facile purification and single-molecule immobilization. Biochemistry. 48(50):11834-6 (2009). PubMed
  21. Rock RS. A new direction for titin pulling. Proc Natl Acad Sci U S A. 106(32):13149-50 (2009). PubMed
  22. Rizk SS, Luchniak A, Uysal S, Brawley CM, Rock RS, Kossiakoff AA. An engineered substance P variant for receptor-mediated delivery of synthetic antibodies into tumor cells. Proc Natl Acad Sci U S A. 106(27):11011-11015 (2009). PubMed
  23. Ren Y, Effler JC, Norstrom M, Luo T, Firtel RA, Iglesias PA, Rock RS, Robinson DN. Mechanosensing through cooperative interactions between myosin II and the actin crosslinker cortexillin I. Curr Biol. 19(17):1421-1428 (2009). PubMed
  24. Brawley CM, Rock RS. Unconventional myosin traffic in cells reveals a selective actin cytoskeleton. Proc Natl Acad Sci U S A. 106(24):9685-9690 (2009). PubMed
  25. Courson DS, Rock RS. Fast benchtop fabrication of laminar flow chambers for advanced microscopy techniques. PLoS One. 4(8):e6479 (2009). PubMed
  26. Rizvi SA, Courson DS, Keller VA, Rock RS, Kozmin SA. The dual mode of action of bistramide A entails severing of filamentous actin and covalent protein modification. Proc Natl Acad Sci USA. 105(11):4088-92 (2008). PubMed
  27. Nagy S, Ricca BL, Norstrom MF, Courson DS, Brawley CM, Smithback PA, Rock RS. A myosin motor that selects bundled actin for motility. Proc Natl Acad Sci U S A. 105(28):9616-9620 (2008). PubMed


  1. Spudich JA, Rice SE, Rock RS, Purcell TJ, Warrick HM. Optical traps to study properties of molecular motors. In: Ha T, Selvin PR, ed. Single Molecule Techniques: A Laboratory Manual Cold Spring Harbor, N. Y.: Cold Spring Harbor Laboratory Press; p. 279–296 (2007).
  2. Churchman LS, Öokten Z, Rock RS, Dawson JF, Spudich JA. Single molecule high-resolution colocalization of Cy3 and Cy5 attached to macromolecules measures intramolecular distances through time. Proc Natl Acad Sci USA. 102(5):1419-23 (2005). PubMed
  3. Rock RS, Ramamurthy B, Dunn AR, Beccafico S, Rami BR, Morris C, Spink BJ, Franzini-Armstrong C, Spudich JA, Sweeney HL. A flexible domain is essential for the large step size and processivity of myosin VI. Mol Cell. 17(4):603-9 (2005). PubMed
  4. Ökten Z, Churchman LS, Rock RS, Spudich JA. Myosin VI walks hand-over-hand along actin. Nat Struct Mol Biol. 11(9):884-7 (2004). PubMed
  5. Rock RS, Hansen KC, Larsen RW, Chan SI. Rapid photochemical triggering of protein unfolding in a nondenaturing environment. Chemical Physics. 307(2-3):201–208 (2004).
  6. Rock RS, Purcell TJ, Spudich JA. The mechanics of unconventional myosins. In: Hackney DD, Tamanoi F, ed. The Enzymes: 3rd edition. Vol. 23. San Diego, CA: Elsevier Academic Press; p. 55–87 (2003).
  7. Robinson DN, Ocon SS, Rock RS, Spudich JA. Dynacortin is a novel actin bundling protein that localizes to dynamic actin structures. J Biol Chem. 277(11):9088-95 (2002). PubMed
  8. Spudich JA, Rock RS. A crossbridge too far. Nat Cell Biol. 4(1):E8–10 (2002). PubMed
  9. Rock RS, Rice SE, Wells AL, Purcell TJ, Spudich JA, Sweeney HL. Myosin VI is a processive motor with a large step size. Proc Natl Acad Sci USA. 98(24):13655-9 (2001). PubMed
  10. Murphy CT, Rock RS, Spudich JA. A myosin II mutation uncouples ATPase activity from motility and shortens step size. Nat Cell Biol. 3(3):311-5 (2001). PubMed
  11. Rock RS, Rief M, Mehta AD, Spudich JA. In vitro assays of processive myosin motors. Methods. 22(4):373-81 (2000).
  12. Rief M, Rock RS, Mehta AD, Mooseker MS, Cheney RE, Spudich JA. Myosin-V stepping kinetics: a molecular model for processivity. Proc Natl Acad Sci USA. 97(17):9482-6 (2000). PubMed
  13. Hansen KC, Rock RS, Larsen RW, Chan SI. A method for photoinitiating protein folding in a nondenaturing environment. J. Am. Chem. Soc. 122:11567-11568 (2000).
  14. Mehta AD, Rock RS, Rief M, Spudich JA, Mooseker MS, Cheney RE. Myosin-V is a processive actin-based motor. Nature. 400(6744):590-3 (1999). PubMed
  15. Rock RS, Chan S. Preparation of a water-soluble cage based on 3,5-dimethoxybenzoin. J. Am. Chem. Soc. 120:10766-10767 (1998).
  16. Rock RS, Chan S. Synthesis And Photolysis Properties Of A Photolabile Linker Based On 3’-Methoxybenzoin. J Org. Chem. 61(4):1526-1529 (1996). (1996)
  17. Stowell MH, Rock RS, Rees DC, Chan SI. Efficient synthesis of photolabile alkoxy benzoin protecting groups. Tet. Lett. 37(3):307–310 (1996).