PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12057661-4 2002 In these substrates the fused cyclopropane moiety constrains the cyclopentane ring to mimic the conformation of a furanose sugar in the North hemisphere of the pseudorotational cycle, which matches the conformation of the ribose ring of adenosine in complex with ADA. Cyclopentanes 65-77 adenosine deaminase Homo sapiens 263-266