PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20131084-4 2010 PCNB at an initial concentration of 13 muM was transformed to PCA simultaneously with nitrate reduction but only after the nitrate concentration was at or below 20 mg N/l. Nitrates 86-93 latexin Homo sapiens 39-42