label: Reduced tissue peptidase D activity
label_lc: reduced tissue peptidase d activity
description: "Concentration or activity of Peptidase D (EC 3.4.13.9; also known as prolidase, imidodipeptidase, proline dipeptidase, and aminoacyl-L-proline hydrolase) below the lower limit of normal. The activity of this enzyme can be measured in erythrocytes, leukocytes, or fibroblasts."