24632
Here we report the solution structure of the SH2 domain of C - terminal Src kinase ( Csk ) in complex with a longer phosphopeptide from Csk - binding protein ( Cbp ) .
 Chemical: C
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: C 
Answer:
 Chemical: C