PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22678215-4 2012 The presence of 0.01 mmol L(-1) phosphate, 0.2 mmol L(-1) silicate, and 1 mmol L(-1) nitrate greatly reduced the efficiency of SAR, illustrating the vulnerability of this technology in diverse geochemical settings. Nitrates 85-92 sarcosine dehydrogenase Homo sapiens 127-130