PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6256482-2 1980 The presence of adenosine deaminase during preincubations largely prevents the loss of adenosine, norepinephrine and histamine responses. Norepinephrine 98-112 adenosine deaminase Cavia porcellus 16-35 6256482-4 1980 If adenosine deaminase is not inactivated, responses to norepinephrine are not significant and histamine responses are reduced by 50%. Norepinephrine 56-70 adenosine deaminase Cavia porcellus 3-22