10515
The heterogeneous nuclear ribonucleoprotein K protein represents a novel class of proteins that may act as docking platforms that orchestrate cross-talk among molecules involved in signal transduction and gene expression .
 protein: heterogeneous nuclear ribonucleoprotein K protein
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: heterogeneous nuclear ribonucleoprotein K protein 
Answer:
 protein: heterogeneous nuclear ribonucleoprotein K protein