5133
Within their polypeptide chain , they all contain those conserved features that define a plant CDPK ; kinase catalytic sequences are linked to a calmodulin - like regulatory domain through a junction region .
 CDPK, calmodulin - like regulatory domain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 CDPK, calmodulin - like regulatory domain