PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11014304-3 2000 Kd values (+/- Ca2+) for the complexes of apyrase with the non-hydrolysable phosphonate adenine nucleotide analogues, adenosine 5"-(beta,gamma-methylene) triphosphate and adenosine 5"-(alpha,beta-methylene) diphosphate, were obtained from quenching of the intrinsic enzyme fluorescence. alpha,beta-methyleneadenosine 5'-diphosphate 171-218 apyrase Solanum tuberosum 42-49