NCIt definition : Human TPP1 wild-type allele is located in the vicinity of 11p15.4 and is approximately
7 kb in length. This allele, which encodes tripeptidyl-peptidase 1 protein, plays
a role in lysosomal degradation of proteins. Mutations in the gene are associated
with neuronal ceroid lipofuscinosis 2 and autosomal recessive spinocerebellar ataxia
7.;