Below is an instruction from Human. Write a response.
    ### Instruction:
    How many people are affected by adenosine monophosphate deaminase deficiency ?
    ### Response:
    AMP deaminase deficiency is one of the most common inherited muscle disorders in white populations, affecting 1 in 50 to 100 people. The prevalence is lower in African Americans, affecting an estimated 1 in 40,000 people, and the condition is even less common in the Japanese population.
    