AGTPBP1 and Cerebellar atrophy: This animal is characterized by early onset cerebellar atrophy caused by a mutation in the Ccp1/Agtpbp1/Nna1 gene (MGI/NCBI IDs: 2159437/67269 http://www.informatics.jax.org/marker/MGI:2159437 (accessed on 22 January 2023)) and a consequent lack of cytosolic carboxypeptidase 1 enzymatic activity [28,29,30,31,32,33,34,35].