PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19201553-2 2009 A recombinant p24 (rp24) was expressed in the Escherichia coli expression system, purified in a nickel charged resin and used as antigen in the ELISA test. Nickel 96-102 transmembrane p24 trafficking protein 2 Homo sapiens 14-17