510
Sequential cleavage of the precursor protein pre - pro - opiomelanocortin ( POMC ) generates the melanocortin peptides adrenocorticotrophin ( ACTH ) , melanocyte - stimulating hormones ( MSH ) alpha , beta and gamma as well as the opioid - receptor ligand beta - endorphin .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 None