1906
Proteins known to bind the PEPCK CRE include the CRE - binding protein ( CREB ) and members of the CCAAT / enhancer - binding protein ( C / EBP ) family .
 GENE: PEPCK; GENE: CRE - binding protein; GENE: CREB; GENE: CCAAT / enhancer - binding protein; GENE: C / EBP
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: PEPCK; GENE: CRE - binding protein; GENE: CREB; GENE: CCAAT / enhancer - binding protein; GENE: C / EBP