Primary and secondary structure of 7-3 (K) RNA of Novikoff hepatoma

7-3 RNA (also known as K-RNA and 7SK-RNA) is a distinct small RNA found in insect to mammalian cells. Previous studies showed that this RNA is not capped, contains no modified nucleotides, is conserved through evolution, is synthesized by RNA polymerase III, and, in part, is associated by polyriboso...

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Veröffentlicht in:The Journal of biological chemistry 1984-10, Vol.259 (19), p.12265-12270
Hauptverfasser: REDDY, R, HENNING, D, SUBRAHMANYAM, C. S, BUSCH, H
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container_end_page 12270
container_issue 19
container_start_page 12265
container_title The Journal of biological chemistry
container_volume 259
creator REDDY, R
HENNING, D
SUBRAHMANYAM, C. S
BUSCH, H
description 7-3 RNA (also known as K-RNA and 7SK-RNA) is a distinct small RNA found in insect to mammalian cells. Previous studies showed that this RNA is not capped, contains no modified nucleotides, is conserved through evolution, is synthesized by RNA polymerase III, and, in part, is associated by polyribosomes. In this study, the complete nucleotide sequence of 7-3 RNA was determined by RNA-sequencing methods, and the sequence is compared with several small RNAs and repetitive DNA sequences for homology. This 330-nucleotide-long RNA contained pppGp as its 5' terminus and exhibited heterogeneity with respect to the 3'-terminal AoH. The nucleotide sequence is: (sequence in text) The RNA is G-C rich, and evidence is presented that 7-3 RNA is in a ribonucleoprotein particle in the cytoplasm.
doi_str_mv 10.1016/S0021-9258(20)71349-9
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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Analytical, structural and metabolic biochemistry
Animals
Base Sequence
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Liver Neoplasms, Experimental - genetics
Nucleic Acid Conformation
Nucleic acids
Rats
Ribonuclease T1 - metabolism
Ribonuclease, Pancreatic - metabolism
RNA, Neoplasm - analysis
Rna, ribonucleoproteins
title Primary and secondary structure of 7-3 (K) RNA of Novikoff hepatoma
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