16792
We also show that removal of either the N - or C - terminal propeptide is required for VEGF - D to drive formation of VEGFR - 2 / VEGFR - 3 heterodimers which have recently been shown to positively regulate angiogenic sprouting .
 Chemical: N; Chemical: C
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: N; Chemical: C