PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15758809-4 2005 The O18 lipopolysaccharide contains a phosphocholine substitute, which makes it unique among Proteus strains. Phosphorylcholine 38-52 immunoglobulin kappa variable 1-33 Homo sapiens 4-7 15758809-10 2005 Renal epithelial cells produced more IL-8 after stimulation with the phosphocholine rich lipopolysaccharide O18, although adding phosphocholine alone did not induce or increase IL-8 production. Phosphorylcholine 69-83 immunoglobulin kappa variable 1-33 Homo sapiens 108-111