14801
In addition, some IDDM sera that contain antibodies to glutamic acid decarboxylase also coprecipitate a 38,000-M(r) protein from islets.
 antibodies, 38,000-M(r) protein, glutamic acid decarboxylase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 antibodies, 38,000-M(r) protein, glutamic acid decarboxylase