PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1696505-3 1990 The circular dichroism studies show that binding of berberine to poly(A) causes a significant change in the circular dichroic spectrum of poly(A) itself, as manifested by (i) a decrease of both positive and negative bands and (ii) appearance of a conservative type of extrinsic circular dichroic spectrum in the wavelength range of 300-400 nm, while it does not cause any significant alteration to the A form structure of tRNA. Poly A 65-72 mitochondrially encoded tRNA glycine Homo sapiens 422-426 1696505-3 1990 The circular dichroism studies show that binding of berberine to poly(A) causes a significant change in the circular dichroic spectrum of poly(A) itself, as manifested by (i) a decrease of both positive and negative bands and (ii) appearance of a conservative type of extrinsic circular dichroic spectrum in the wavelength range of 300-400 nm, while it does not cause any significant alteration to the A form structure of tRNA. Poly A 138-145 mitochondrially encoded tRNA glycine Homo sapiens 422-426