11575
The crystal structure of NF - Y bound to a 25 bp CCAAT oligonucleotide shows that the HFD dimer binds to the DNA sugar - phosphate backbone , mimicking the nucleosome H2A / H2B - DNA assembly .
 Chemical: sugar; Chemical: phosphate
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: sugar; Chemical: phosphate