How to rotate a whole animation 90 degrees?

Hi every one, I'm making a 3D platform game, and I have a probleme cuse I have the controls to control the player but now I have to make the animations, my chapter is rigged in Mixamo and the animations come from Mixamo too. But now I need to rotate my whole animations 90 degrees and -90 degrees. For example to the run animation, to go to the left and to go to the right. I tried to inport the animation to maya and rotate it by using curves but, it dont turn. Sorry for my enghlis, and I wait your answers as soon as posible. Thank's.

 

Ok, so after too much time I have the answer, and here it is, you have to change the Rig of your player from Generic to Humanoid and the same in the animations. And in the animation file you can do these:
-Root Transform Rotation > (check) Bake Into Pose
-Set: Based Upon > Body orientation
-And rotate -90 or +90 to make it go to the left or to the right.

 

Thank you