PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18505586-5 2008 S-methionyl-L-thiocitrulline (SMTC), and tin protoporphyrin (SnPP) were used to inhibit neuronal/constitutive NOS-1 and heme-oxygenase, respectively, and alter NO and CO production, respectively, as assessed by paired t-tests. tin protoporphyrin IX 41-59 nitric oxide synthase 1, neuronal Mus musculus 110-115