Accelerative sliding of myosin-coated glass-beads under suspended condition from actin paracrystal

被引:7
作者
Suda, H [1 ]
Ishikawa, A [1 ]
机构
[1] NIHON UNIV,COLL HUMANITIES & SCI,DEPT PHYS,SETAGAYA KU,TOKYO 156,JAPAN
关键词
D O I
10.1006/bbrc.1997.7048
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The maximum sliding velocity of rabbit skeletal-muscle myosin is about 10 mu m/sec under zero load and physiological conditions. We have found, however, that a large glass-bead (diameter, 65 mu m) coated by rabbit skeletal myosin slides at 338 +/- 47 mu m/sec under a condition suspended from an actin paracrystal surface. Also the sliding velocity increases exponentially as the size of myosin-coated glass-beads increases. We report here that the sliding velocity of myosin can be controlled by the adhesion force and the external normal force acting between actin and myosin. (C) 1997 Academic Press.
引用
收藏
页码:427 / 431
页数:5
相关论文
共 21 条
[11]   MOVEMENT OF MYOSIN-COATED FLUORESCENT BEADS ON ACTIN CABLES INVITRO [J].
SHEETZ, MP ;
SPUDICH, JA .
NATURE, 1983, 303 (5912) :31-35
[12]   CHARACEAN ACTIN BUNDLES AS A TOOL FOR STUDYING ACTOMYOSIN-BASED MOTILITY [J].
SHIMMEN, T .
BOTANICAL MAGAZINE-TOKYO, 1988, 101 (1064) :533-544
[13]   ACTIVE SLIDING MOVEMENT OF LATEX BEADS COATED WITH SKELETAL-MUSCLE MYOSIN ON CHARA ACTIN BUNDLES [J].
SHIMMEN, T ;
YANO, M .
PROTOPLASMA, 1984, 121 (1-2) :132-137
[14]   MOVEMENT OF MYOSIN-COATED BEADS ON ORIENTED FILAMENTS RECONSTITUTED FROM PURIFIED ACTIN [J].
SPUDICH, JA ;
KRON, SJ ;
SHEETZ, MP .
NATURE, 1985, 315 (6020) :584-586
[15]   MOLECULAR FRICTION IN AN ACTOMYOSIN MOLECULAR MACHINE [J].
SUDA, H .
JOURNAL OF THEORETICAL BIOLOGY, 1990, 146 (03) :341-346
[16]   DIRECT MEASUREMENT FOR ELASTICITY OF MYOSIN HEAD [J].
SUDA, H ;
SUGIMOTO, M ;
CHIBA, M ;
UEMURA, C .
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 1995, 211 (01) :219-225
[17]   INTERMOLECULAR FORCES BETWEEN THE MOTOR PROTEIN AND THE FILAMENT [J].
SUDA, H ;
TAYLOR, TW .
JOURNAL OF THEORETICAL BIOLOGY, 1993, 161 (01) :39-50
[18]  
SUDA H, 1996, P 36 JAP BIOPH SOC M, pS106
[19]   FORMATION OF 2-D PARACRYSTALS OF F-ACTIN ON PHOSPHOLIPID LAYERS MIXED WITH QUARTERNARY AMMONIUM SURFACTANTS [J].
TAYLOR, KA ;
TAYLOR, DW .
JOURNAL OF STRUCTURAL BIOLOGY, 1992, 108 (02) :140-147
[20]  
Woledge R.C., 1985, ENERGETIC ASPECTS MU