Movie S3.
Illustrating cerebellar behavioral defects in PI31fl/fl Pcp2-cre mice Movie of 7 month-old male PI31fl/fl and PI31fl/fl Pcp2-cre siblings. The PI31fl/fl Pcp2-cre mouse had a halting gait and lost balance frequently, falling back or to the left or right. PI31fl/fl Pcp2-cre mouse has difficulty regaining balance as it falls to the left.