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. Author manuscript; available in PMC: 2005 Oct 21.
Published in final edited form as: J Biol Chem. 1995 Apr 28;270(17):9911–9916. doi: 10.1074/jbc.270.17.9911

Table I.

Rate constants for the binding of caldesmon to actin in the presence and absence of tropomyosin

Addition k k′ K
M−1s−1 s−1 M−1
None 107 18.2 5.5 × 105
Tropomyosin 1.2 × 107 6.3 1.9 × 106