PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11538460-4 1988 They indicate that resonance excitation of the broad isotopic bands of molecules such as 12C16O, MgO, O2, AlO, and OH by strong UV line sources such as H-L alpha, Mg II, H beta, and Ca II may induce selective reactions resulting in the anomalous isotopic composition of oxygen and possibly other elements in refractory oxide condensates in meteorites. Magnesium Oxide 97-100 carbonic anhydrase 2 Homo sapiens 152-187