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Gel shift and southwestern experiments revealed nuclear proteins of 43 kDa and 30 kDa in GC and fish cells , respectively , that bind specifically to the tGH CRE , suggesting the involvement of CRE - binding - protein / activating - transcription - factor - l - related peptides in cAMP response .
 GENE: tGH; GENE: CRE - binding - protein; GENE: activating - transcription - factor - l
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: tGH; GENE: CRE - binding - protein; GENE: activating - transcription - factor - l