PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16243784-4 2005 Structures show that THF is less extrahelical than Pr and its backbone C5"-C4"-C3" diverges significantly from those of Pr, rAP, 8-oxodG and FapydG. tetrahydrofuran 21-24 LDL receptor related protein associated protein 1 Rattus norvegicus 124-127