24514
First , the roles of the amino acids cysteine and methionine , are discussed , followed by an extensive discussion of the low - molecular - weight tripeptide , thiol glutathione , which plays a central part in plant stress response and oxidative signalling and of glutathione - related enzymes , including those involved in the biosynthesis of non - protein thiol compounds .
 Chemical: cysteine; Chemical: methionine; Chemical: tripeptide; Chemical: thiol glutathione; Chemical: glutathione; Chemical: thiol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: cysteine; Chemical: methionine; Chemical: tripeptide; Chemical: thiol glutathione; Chemical: glutathione; Chemical: thiol