PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18560512-11 2008 Abiotic stimuli that generate endogenous H(2)O(2), such as darkness, nitric oxide and the phytohormone ethylene, also show reduced stomatal closure in the ahk5 mutants. ethylene 103-111 histidine kinase 5 Arabidopsis thaliana 155-159