<prompt> Which of the following is true about alpha 1 antitrypsin?Inhibits elastaseInhibits trypsinogen activation in pancreasInhibits trypsin activating proteaseInhibits chymotrypsin  <response>: Alpha 1 antitrypsin : anti elastase protein coded by gene PiMM gene. Any mutation in this gene lead to abnormal formation of alpha 1 antitrypsin protein which leads to Storage of this abnormal enzyme inside hepatocyte instead of its secretion resulting in manifestation of micronodular cirrhosis of liver and Pan acinar emphysema in basal pa of lung. 