PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2176593-3 1990 The two resonances at 168.5 and 169.9 ppm observed in the 13C-NMR spectrum of the Cd2 derivative obtained with [13C]oxalate each correspond to slowly exchanging oxalate specifically bound to a single site. Oxalates 116-123 CD2 molecule Homo sapiens 82-85