This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Most impoant amino acid for formation Neutrophilic extracellular trap is ? \nSelect and explain. \nA. Leucine, B. Methionine, C. Citrulline, D. Valine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. CitrullinePositively charged arginine is conveed to neutral amino acid citrulline by the enzyme peptidyl arginine deaminase (citrullination).Citrullination is an essential step of NET formation.NETs proiile for a high local concentration of antimicrobial componenk such as neutrophil elastase, cathepsin G and histones, that have a high affinity for DNA.', 'role': 'assistant'}]