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Items: 1 to 20 of 21


Possible cold-adaptation for the fungal kinesin in compensation for thermal stability acquired by single amino acid substitution.

Shimizu Y, Togawa T, Chaen S.

J Biochem. 2018 Dec 5. doi: 10.1093/jb/mvy109. [Epub ahead of print]


Both a Unique Motif at the C Terminus and an N-Terminal HEAT Repeat Contribute to G-Quadruplex Binding and Origin Regulation by the Rif1 Protein.

Kobayashi S, Fukatsu R, Kanoh Y, Kakusho N, Matsumoto S, Chaen S, Masai H.

Mol Cell Biol. 2019 Feb 4;39(4). pii: e00364-18. doi: 10.1128/MCB.00364-18. Print 2019 Feb 15.


Electron Microscopic Recording of the Power and Recovery Strokes of Individual Myosin Heads Coupled with ATP Hydrolysis: Facts and Implications.

Sugi H, Chaen S, Akimoto T.

Int J Mol Sci. 2018 May 4;19(5). pii: E1368. doi: 10.3390/ijms19051368. Review.


Mutations in the SH1 helix alter the thermal properties of myosin II.

Shibata K, Koyama T, Inde S, Iwai S, Chaen S.

Biophys Physicobiol. 2017 May 31;14:67-73. doi: 10.2142/biophysico.14.0_67. eCollection 2017.


Tension Recovery following Ramp-Shaped Release in High-Ca and Low-Ca Rigor Muscle Fibers: Evidence for the Dynamic State of AMADP Myosin Heads in the Absence of ATP.

Sugi H, Yamaguchi M, Ohno T, Kobayashi T, Chaen S, Okuyama H.

PLoS One. 2016 Sep 1;11(9):e0162003. doi: 10.1371/journal.pone.0162003. eCollection 2016.


Comprehensive analysis of the dynamic structure of nuclear localization signals.

Yamagishi R, Okuyama T, Oba S, Shimada J, Chaen S, Kaneko H.

Biochem Biophys Rep. 2015 Nov 9;4:392-396. doi: 10.1016/j.bbrep.2015.11.001. eCollection 2015 Dec.


Electron microscopic recording of myosin head power stroke in hydrated myosin filaments.

Sugi H, Chaen S, Akimoto T, Minoda H, Miyakawa T, Miyauchi Y, Tanokura M, Sugiura S.

Sci Rep. 2015 Oct 26;5:15700. doi: 10.1038/srep15700.


Definite differences between in vitro actin-myosin sliding and muscle contraction as revealed using antibodies to myosin head.

Sugi H, Chaen S, Kobayashi T, Abe T, Kimura K, Saeki Y, Ohnuki Y, Miyakawa T, Tanokura M, Sugiura S.

PLoS One. 2014 Jun 11;9(2):e93272. doi: 10.1371/journal.pone.0093272. eCollection 2014.


Enhancement of force generated by individual myosin heads in skinned rabbit psoas muscle fibers at low ionic strength.

Sugi H, Abe T, Kobayashi T, Chaen S, Ohnuki Y, Saeki Y, Sugiura S.

PLoS One. 2013 May 15;8(5):e63658. doi: 10.1371/journal.pone.0063658. Print 2013.


Single turnovers of fluorescent ATP bound to bipolar myosin filament during actin filaments sliding.

Maruta T, Kobatake T, Okubo H, Chaen S.

Biophysics (Nagoya-shi). 2013 Jan 19;9:13-20. doi: 10.2142/biophysics.9.13. eCollection 2013.


Thermal activation energy for bidirectional movement of actin along bipolar tracks of myosin filaments.

Okubo H, Iwai M, Iwai S, Chaen S.

Biochem Biophys Res Commun. 2010 May 28;396(2):539-42. doi: 10.1016/j.bbrc.2010.04.139. Epub 2010 May 7.


Kinesin-Calmodulin fusion protein as a molecular shuttle.

Shishido H, Nakazato K, Katayama E, Chaen S, Maruta S.

J Biochem. 2010 Feb;147(2):213-23. doi: 10.1093/jb/mvp173. Epub 2009 Oct 30.


Direct demonstration of the cross-bridge recovery stroke in muscle thick filaments in aqueous solution by using the hydration chamber.

Sugi H, Minoda H, Inayoshi Y, Yumoto F, Miyakawa T, Miyauchi Y, Tanokura M, Akimoto T, Kobayashi T, Chaen S, Sugiura S.

Proc Natl Acad Sci U S A. 2008 Nov 11;105(45):17396-401. doi: 10.1073/pnas.0809581105. Epub 2008 Nov 5. Erratum in: Proc Natl Acad Sci U S A. 2009 Jan 27;106(4):1291.


Mutation in the SH1 helix reduces the activation energy of the ATP-induced conformational transition of myosin.

Iwai S, Chaen S.

Biochem Biophys Res Commun. 2007 May 25;357(1):325-9. Epub 2007 Apr 2.


A point mutation in the SH1 helix alters elasticity and thermal stability of myosin II.

Iwai S, Hanamoto D, Chaen S.

J Biol Chem. 2006 Oct 13;281(41):30736-44. Epub 2006 Aug 9.


Mysteries about amplitude and efficiency of cross-bridge powerstroke.

Sugi H, Chaen S, Shirakawa I.

Adv Exp Med Biol. 2005;565:93-111; discussion 111-2, 371-7. No abstract available.


Effect of deuterium oxide on contraction characteristics and ATPase activity in glycerinated single rabbit skeletal muscle fibers.

Kobayashi T, Saeki Y, Chaen S, Shirakawa I, Sugi H.

Biochim Biophys Acta. 2004 Nov 4;1659(1):46-51.


Electrical and mechanical properties and mode of innervation in scorpionfish sound-producing muscle fibres.

Kobayashi T, Daimon T, Shirakawa I, Chaen S, Sugi H.

J Exp Biol. 2004 Oct;207(Pt 21):3757-63.


In vitro actomyosin motility in deuterium oxide.

Chaen S, Yamamoto N, Shirakawa I, Sugi H.

Adv Exp Med Biol. 2003;538:183-92; discussion 192.


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