since the ca2+-binding studies show that the formation of the complex of crayfish troponin i ( tni ) with alpha- and gamma-tnc increases significantly the affinity of only one of their two ca2+-specific sites and this tni-sensitive site is not the high affinity ca2+-specific site on alpha-tnc , we conclude that the binding of ca2+ to site ii controls the ca2+-dependent interaction between crayfish tncs and tni .
C0041199
troponin
C0077401
tni