[PDF] Top 20 Role of RNA in enzymatic activity of the reverse transcriptase of hepatitis B viruses.
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Role of RNA in enzymatic activity of the reverse transcriptase of hepatitis B viruses.
... Hence, these results indicated that the polymerase forms a stable RNP complex with its cognate epsilon sequence and that this interaction is required for the activity of the reverse tran[r] ... See full document
6
Sequence- and structure-specific determinants in the interaction between the RNA encapsidation signal and reverse transcriptase of avian hepatitis B viruses.
... productive RNA binding to P ...productive RNA-P protein ...this RNA apparently displayed some activity in a yeast expression system ...and RNA phage operators ...their role in ... See full document
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Hepatitis B Virus Reverse Transcriptase and ε RNA Sequences Required for Specific Interaction In Vitro
... RT enzymatic activity), were dispensable for ε bind- ...ε RNA (20, 39, 44, ...critical role in ε ...protein-priming activity in vitro, although this low priming activity could ... See full document
10
Mapping of the Hepatitis B Virus Reverse Transcriptase TP and RT Domains by Transcomplementation for Nucleotide Priming and by Protein-Protein Interaction
... titis B virus (DHBV) pol has been expressed by in vitro trans- lation (50) and as an active fusion protein of DHBV Pol in a virus-like particle from the yeast retrotransposon Ty1 ...protein-primed, reverse ... See full document
9
Interaction between Hepatitis B Virus Core Protein and Reverse Transcriptase
... a role in multiple steps in HBV ...genomic RNA may require direct core-Pol interaction even though the encapsidation substrate is an epsilon-Pol RNP ...The role of epsilon in this process could be to ... See full document
11
Transcomplementation of nucleotide priming and reverse transcription between independently expressed TP and RT domains of the hepatitis B virus reverse transcriptase.
... initiate reverse transcription in a protein-primed reaction that involves the covalent linkage of the first deoxyribonucleotide to the polymerase ...human hepatitis B virus (HBV) reverse ... See full document
9
Site-specific RNA binding by a hepatitis B virus reverse transcriptase initiates two distinct reactions: RNA packaging and DNA synthesis.
... 32p linkage clearly results from the polymerase activity of P protein, since DHBV E is unable to mediate DNA priming when the conserved reverse transcriptase motif YMDD of DHBV polymeras[r] ... See full document
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Susceptibility of lamivudine resistant hepatitis B virus to other reverse transcriptase inhibitors
... the B domain of the polymerase gene associated with the M552V mutant ...Because reverse transcriptase has a fundamental role in the replication of retroviruses and HBV, it became an attractive ... See full document
7
Reverse transcription in hepatitis B viruses is primed by a tyrosine residue of the polymerase.
... Recently, we demonstrated that the polymerase of duck hepatitis B virus DHBV synthesized in an in vitro translation reaction exhibits reverse transcriptase activity and that the viral po[r] ... See full document
8
Translation of Duck Hepatitis B Virus Reverse Transcriptase by Ribosomal Shunting
... an RNA element called stem section 1, that are present in the 600-nucleotide-long 5⬘ UTR ...both RNA strands of the stem in the 3⬘ hairpin of the 18S rRNA ...the activity of a basal shunting element ... See full document
7
Identification of an Essential Molecular Contact Point on the Duck Hepatitis B Virus Reverse Transcriptase
... priming activity in vitro (G178E and Y181F) also retained the ability to synthesize viral DNA in core ...of enzymatic activity or block- ing of an essential upstream event, such as the binding of P ... See full document
7
Inhibition of Hepadnavirus Reverse Transcriptase-ε RNA Interaction by Porphyrin Compounds
... Hepatitis B virus (HBV) belongs to the family Hepadnaviri- dae, a group of small, hepatotropic DNA viruses that also includes related animal viruses, such as the duck HBV (DHBV) and the ... See full document
8
Requirement of Heat Shock Protein 90 for Human Hepatitis B Virus Reverse Transcriptase Function
... priming activity of the HBV RT con- trasts sharply with the efficient protein priming activity ob- tained with similar DHBV mini-RT proteins using the same Hsp90 reconstitution ...ε RNA mu- tants, ... See full document
10
In Vitro Reconstitution of a Functional Duck Hepatitis B Virus Reverse Transcriptase: Posttranslational Activation by Hsp90
... Hepatitis B virus (HBV) infection is a major public health problem, with over 300 million chronically infected people worldwide ...DNA viruses that infect mammalian and avian ...an RNA ... See full document
9
Reverse transcriptase of RNA tumor viruses. V. In vitro proteolysis of reverse transcriptase from avian myeloblastosis virus and isolation of a polypeptide manifesting only RNase H activity.
... 25, 1978 PROTEOLYSIS OF AMV REVERSE TRANSCRIPTASE sequences only present in subunit ,B; and iii a smaller polypeptide of molecular weight 24,000 was isolated, which contained only RNase [r] ... See full document
12
Nucleotide priming and reverse transcriptase activity of hepatitis B virus polymerase expressed in insect cells.
... pregenomic RNA), while longer exposure of the gel revealed an additional band and suggested that the 5 9 end may map to the T residue at nucleotide 1829 ... See full document
9
Reverse Transcriptase- and RNA Packaging Signal-Dependent Incorporation of APOBEC3G into Hepatitis B Virus Nucleocapsids
... should be reasoned that one molecule of A3G would also be packaged, assuming a 1:1 binding of RT to A3G. However, preliminary experiments examining the stoichiometry of A3G in the HBV nucleocapsid suggest that the level ... See full document
10
The Role of RNA Interference in Functional Cure Strategies for Chronic Hepatitis B
... potent activity in pre-clinical studies using unlocked nucleomonomer agent oligomers (UNA) with their LUNAR™ delivery technology [34] and is yet to commence clinical ... See full document
8
Analysis of resistant mutations in reverse transcriptase domain of hepatitis B virus from patients from Islamabad, Pakistan
... Aim: To explore nucleoside/nucleotide analogues resistance mutations in hepatitis B virus (HBV) reverse transcriptase (RT) domain from non-responder Pakistani patients. Methods: Blood samples ... See full document
5
Binding of tryptophanyl-tRNA to the reverse transcriptase of replication-defective avian sarcoma viruses.
... The ability of the into virions is a temperature-sensitive process, mutant viruses to absorb the monospecific IgG and virions produced at 420C contain less re- can then be estimated by a[r] ... See full document
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