19219
This protein , named MlatA1 , possesses 61 amino acids with 8 conserved cysteine residues , sharing 30 - 91 % sequence identity with other fully sequenced Micrurus toxins .
 Chemical: amino acids; Chemical: cysteine
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: amino acids; Chemical: cysteine