Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Carnitine-acylcarnitine translocase deficiency ?
    ### Response:
    What causes carnitine-acylcarnitine translocase deficiency? Carnitine-acylcarnitine translocase deficiency occurs when an enzyme, called "carnitine-acylcarnitine translocase" (CAT), is either missing or not working properly. This enzyme's job is to help change certain fats in the food we eat into energy.
    