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While zinc - binding domains are renowned for nucleic acid recognition , binuclear zinc - binding structural motifs , such as LIM ( Lin - 11 , Isl - 1 , Mec - 3 ) , RING ( really interesting new gene ) , PHD ( plant homeodomain ) and ZZ ( ZZ - type zinc finger ) domains , participate in protein - protein interactions .
 Chemical: zinc; Chemical: zinc; Chemical: zinc
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: zinc; Chemical: zinc; Chemical: zinc