PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 4052398-2 1985 Aequorin, a Ca(II)-sensitive bioluminescent protein from jellyfish, emits light at 469 nm from an excited state of a substituted pyrazine (oxyluciferin) which results from the oxidation of a chromophore molecule that is noncovalently bound to the protein. Pyrazines 129-137 carbonic anhydrase 2 Homo sapiens 12-18