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. Author manuscript; available in PMC: 2016 Nov 2.
Published in final edited form as: Biochemistry. 2006 May 16;45(19):6212–6221. doi: 10.1021/bi060037h

Table 3.

Comparison of Dynamics and Functions of Myosin and Myosin Chimeras

myosin τr of regulatory domaina (μs) in vitro motility rate UP/Pb (μm s−1) actin-activated ATPase UP/P (s−1) regulation UP/P
smHC/smRLC 441 ± 79 (11) ~0/0.8 ± 0.2c 0.05/0.57c
0.005/0.2d
OFF/ON
smHC/skRLC 321 ± 114 (3) ~0/~ 0c 0.03/0.06c OFF/OFF
skHC/skRLC 40 ± 3 (3) 8.8 ± 1.4e 1.28 f ON/ON
skHC/smRLC 36.6 ± 5 (3) 7.6 ± 1.07e 1.7/1.8d ON/ON
a

From Table 2.

b

In vitro motility assay data. UP, unphosphorylated; P, phosphorylated.

c

Data from ref 55.

d

Data from ref 56.

e

Data from ref 57 without phosphorylation.

f

Data from ref 56 without phosphorylation.