3930
Like the DMA , but unlike all other mammalian class II A genes , the zebrafish gene codes for two cysteine residues which might potentially be involved in the formation of a disulfide bond in the alpha 1 domain .
 GENE: DMA; GENE: mammalian class II A genes
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: DMA; GENE: mammalian class II A genes