PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10593608-5 1999 At neutral pH, the rate constant for myeloperoxidase compound I reacting with serotonin is an order of magnitude larger than for its reaction with chloride, (2.2 +/- 0.2) x 10(6) M(-1) x s(-1). Chlorides 147-155 myeloperoxidase Homo sapiens 37-52 10593608-6 1999 A direct competition of serotonin with chloride for myeloperoxidase compound I oxidation was observed. Chlorides 39-47 myeloperoxidase Homo sapiens 52-67