21304
This was confirmed by their ability to selectively abrogate the induction of IL - 8 transcription , whereas the ICAM - 1 gene , which is not transcribed selectively by an NF - kappa B complex containing a form of p65 phosphorylated on Ser536 , did not change .
 Chemical: Ser536
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: Ser536