2323
The NrfC polypeptide , M ( r ) 24 , 567 , contains 16 cysteine residues arranged in four clusters typical of the CooF super - family of non - haem iron - sulphur proteins .
 GENE: NrfC polypeptide; GENE: M ( r ) 24 , 567; GENE: CooF super - family
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: NrfC polypeptide; GENE: M ( r ) 24 , 567; GENE: CooF super - family