PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23334390-1 2013 pO2 in the kidney is maintained at relatively stable levels by a unique and complex functional interplay between renal blood flow, GFR, O2 consumption, and arteriovenous O2 shunting. PO-2 0-3 Rap guanine nucleotide exchange factor 5 Homo sapiens 131-134