PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11120759-6 2000 Catalase, which dismutates H(2)O(2) to form water and oxygen, inhibited EDHF-mediated relaxation and hyperpolarization, but it did not affect endothelium-independent relaxation following treatment with the K(+) channel opener levcromakalim. edhf 72-76 catalase Mus musculus 0-8