PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23283728-6 2013 We present here the detection of in-source and in-solution formation of succinimide and pyroglutamate in the protein granulocyte colony stimulating factor. Pyrrolidonecarboxylic Acid 88-101 colony stimulating factor 3 Homo sapiens 117-154