14739
It belongs to the relaxin peptide family , whose members comprehensively exert numerous effects through interaction with different types of receptors , classified as relaxin family peptide ( RXFP ) receptors ( RXFP1 , RXFP2 , RXFP3 , RXFP4 ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None