PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16054644-3 2005 When incubated for several weeks at neutral pH in the presence of the denaturant guanidine hydrochloride, GroES formed a typical amyloid fibril; unbranched, twisted, and extended filaments stainable by thioflavin T and Congo red. thioflavin T 202-214 chaperonin GroES Escherichia coli 106-111