9944
Mutagenesis of the CDE / CHR elements and Sp1 sites in this region , alone or in combination , reduced transcriptional activity by 40 - 60 % in asynchronously growing cells and abolished cell cycle periodicity in G2 - M - synchronized cells .
 GENE: Sp1 sites
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Sp1 sites 
Answer:
 GENE: Sp1 sites