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pre-tRNATyr + H2O
mature tRNATyr + 5'-oligoribonucleotide
substrate from Pyrococcus horikoshii OT3, cleavage of 5'-terminal oligonucleotide
generates 5'-phosphate,3'-hydroxyl-product
-
?
tRNA precursor + H2O
mature tRNA + 5'-oligonucleotide
tRNA processing
-
-
?
pre-tRNA + H2O
mature tRNA + 5'-terminal oligonucleotide
pre-tRNA + H2O
tRNA + 5'-oligoribonucleotide
the enzyme is involved in maturation of the 5'-end of tRNA
-
-
?
pre-tRNA precursor + H2O
tRNA + 5'-oligoribonucleotide
-
-
-
?
pre-tRNA(Tyr) + H2O
mature tRNA(Tyr) + 5'-terminal oligonucleotide
pre-tRNA-Tyr + H2O
tRNA-Tyr + 5'-oligoribonucleotide
-
-
-
?
pre-tRNATyr + H2O
mature tRNATyr + 5'-oligoribonucleotide
-
is completely processed. Cleaves efficiently at a single phosphodieste bond between positions U59 and C60
-
-
?
pre-tRNATyr + H2O
tRNATyr + 5' leader of tRNA
-
activity assay using in vitro reconstituted particles
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-
?
additional information
?
-
pre-tRNA + H2O
mature tRNA + 5'-terminal oligonucleotide
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-
-
?
pre-tRNA + H2O
mature tRNA + 5'-terminal oligonucleotide
the enzyme is involved in maturation of the 5'-end of tRNA
-
-
?
pre-tRNA(Tyr) + H2O
mature tRNA(Tyr) + 5'-terminal oligonucleotide
-
-
-
?
pre-tRNA(Tyr) + H2O
mature tRNA(Tyr) + 5'-terminal oligonucleotide
-
-
-
?
additional information
?
-
-
RNase P proteins Pop5, Rpp21, Rpp29, Rpp30 and Rpp38 are unable to activate non-cognate RNase P RNAs, Pyrococcus horikoshii RNase P RNA and Escherichia coli RNase P RNA. Chimeric RNase P RNAs composed of the Escherichia coli RNA C-domain and Pyrococcus horikoshii S-domain or composed of the Pyrococcus horikoshii C-domain and Escherichia coli RNA S-domain, respectively, exhibit activity. Pop5 and Rpp30 are involved in activation of the Pyrococcus horikoshii pRNA C-domain, whereas Rpp21 and Rpp29 are implicated in stabilization of the Pyrococcus horikoshii pRNA S-domain
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-
?
additional information
?
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-
the enzyme is a ribonuleoprotein that catalyzes the processing of 5' leader sequences from tRNA precursors and other noncoding RNA
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-
?
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oligomer
RNase P consists of RNase P RNA (PhopRNA) and five protein cofactors designated PhoPop5, PhoRpp21, PhoRpp29, PhoRpp30, and PhoRpp38. PhoPop5 and PhoRpp30 fold into a heterotetramer and cooperate to activate a catalytic domain (C-domain) in PhopRNA, whereas PhoRpp21 and PhoRpp29 form a heterodimer and function together to activate a specificity domain (S-domain) in PhopRNA. PhoRpp38 plays a role in elevation of the optimum temperature of RNase P activity, binding to kink-turn (K-turn) motifs in two stem-loops in PhopRNA
tetramer
ribonuclease P protein component 1 (PH1771), ribonuclease P protein component 2 (PH1481), ribonuclease P protein component 3 (PH1877), ribonuclease P protein component 4 (PH1601). Three proteins Ph1481p, Ph1601p, and Ph1771p, and RNase P RNA are minimal components for the RNase P activity. However, addition of the fourth protein Ph1877p strongly stimulated enzymatic activity, indicating that all four proteins and RNase P RNA are essential for optimal RNase P activity
additional information
protein Ph1877p is one of the essential protein components of the ribozyme and forms a TIM barrel structure consisting of 10 alpha-helices and 7 beta-strands, the protein shows a cluster of positively charged amino acid residues on the molecule surface
additional information
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the enzyme is composed of RNA and five proteins (UniProtIDs: O59425, O59150, O59543, and O59248), the proteins assists the RNA part in attaining a functionally active conformation via a distinct mode of binding
additional information
RNase P consists of a catalytic RNase P RNA (PhopRNA) and five protein cofactors designated PhoPop5, PhoRpp21, PhoRpp29, PhoRpp30, and PhoRpp38. A heterotetramer composed of PhoPop5 and PhoRpp30 bridges helices P3 and P16 in the PhopRNA C-domain, thereby probably stabilizing a double-stranded RNA structure (helix P4) containing catalytic Mg2+ ions, while a heterodimer of PhoRpp21 and PhoRpp29 locates on a single-stranded loop connecting helices P11 and P12 in the specificity domain (S-domain) in PhopRNA, probably forming an appropriate conformation of the precursor tRNA (pre-tRNA) binding site. The fifth protein PhoRpp38 binds each kink-turn motif in helices P12.1, P12.2, and P16 in PhopRNA
additional information
RNase P consists of a catalytic RNase P RNA (PhopRNA) and five protein cofactors designated PhoPop5, PhoRpp21, PhoRpp29, PhoRpp30, and PhoRpp38. A heterotetramer composed of PhoPop5 and PhoRpp30 bridges helices P3 and P16 in the PhopRNA C-domain, thereby probably stabilizing a double-stranded RNA structure (helix P4) containing catalytic Mg2+ ions, while a heterodimer of PhoRpp21 and PhoRpp29 locates on a single-stranded loop connecting helices P11 and P12 in the specificity domain (S-domain) in PhopRNA, probably forming an appropriate conformation of the precursor tRNA (pre-tRNA) binding site. The fifth protein PhoRpp38 binds each kink-turn motif in helices P12.1, P12.2, and P16 in PhopRNA
additional information
-
RNase P consists of a catalytic RNase P RNA (PhopRNA) and five protein cofactors designated PhoPop5, PhoRpp21, PhoRpp29, PhoRpp30, and PhoRpp38. A heterotetramer composed of PhoPop5 and PhoRpp30 bridges helices P3 and P16 in the PhopRNA C-domain, thereby probably stabilizing a double-stranded RNA structure (helix P4) containing catalytic Mg2+ ions, while a heterodimer of PhoRpp21 and PhoRpp29 locates on a single-stranded loop connecting helices P11 and P12 in the specificity domain (S-domain) in PhopRNA, probably forming an appropriate conformation of the precursor tRNA (pre-tRNA) binding site. The fifth protein PhoRpp38 binds each kink-turn motif in helices P12.1, P12.2, and P16 in PhopRNA
additional information
construction of a 3-D model of Pyrococcus horikoshii RNase P on the basis of crystallographic data. In the resulting 3-D structure, interactions of alpha-helices in proteins with double-stranded RNA structures appear to play an important role in stabilization of an appropriate PhopRNA conformation. Comparison of the resulting 3-D model with the crystal structure of the bacterial RNase P suggests that RNA-RNA interactions in bacterial RNase P are replaced by protein-RNA interactions in archaeal RNase P
additional information
construction of a 3-D model of Pyrococcus horikoshii RNase P on the basis of crystallographic data. In the resulting 3-D structure, interactions of alpha-helices in proteins with double-stranded RNA structures appear to play an important role in stabilization of an appropriate PhopRNA conformation. Comparison of the resulting 3-D model with the crystal structure of the bacterial RNase P suggests that RNA-RNA interactions in bacterial RNase P are replaced by protein-RNA interactions in archaeal RNase P
additional information
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construction of a 3-D model of Pyrococcus horikoshii RNase P on the basis of crystallographic data. In the resulting 3-D structure, interactions of alpha-helices in proteins with double-stranded RNA structures appear to play an important role in stabilization of an appropriate PhopRNA conformation. Comparison of the resulting 3-D model with the crystal structure of the bacterial RNase P suggests that RNA-RNA interactions in bacterial RNase P are replaced by protein-RNA interactions in archaeal RNase P
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D180A
site-directed mutagenesis, activity of the holoenzyme reconstituted with the recombinant mutant protein subunit Ph1877p is unaltered compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
D98A
site-directed mutagenesis, activity of the holoenzyme reconstituted with the recombinant mutant protein subunit Ph1877p is unaltered compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
H114A
site-directed mutagenesis, activity of the holoenzyme reconstituted with the recombinant mutant protein subunit Ph1877p is unaltered compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
K123A
site-directed mutagenesis, reconstitution of the holoenzyme with the recombinant mutant protein subunit Ph1877p results in reduced activity compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
K158A
site-directed mutagenesis, activity of the holoenzyme reconstituted with the recombinant mutant protein subunit Ph1877p is unaltered compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
K196A
site-directed mutagenesis, reconstitution of the holoenzyme with the recombinant mutant protein subunit Ph1877p results in reduced activity compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
K42A
site-directed mutagenesis, activity of the holoenzyme reconstituted with the recombinant mutant protein subunit Ph1877p is unaltered compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
R107A
site-directed mutagenesis, reconstitution of the holoenzyme with the recombinant mutant protein subunit Ph1877p results in reduced activity compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
R176A
site-directed mutagenesis, reconstitution of the holoenzyme with the recombinant mutant protein subunit Ph1877p results in 78% reduced activity compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
R68A
site-directed mutagenesis, reconstitution of the holoenzyme with the recombinant mutant protein subunit Ph1877p results in slightly reduced activity compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
R87A
site-directed mutagenesis, activity of the holoenzyme reconstituted with the recombinant mutant protein subunit Ph1877p is unaltered compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
R90A
site-directed mutagenesis, reconstitution of the holoenzyme with the recombinant mutant protein subunit Ph1877p results in reduced activity compared to holoenzyme reconstituted with recombinant wild-type Ph1877p
C68S/C71S
-
mutant enzyme exhibits little enzymatic activity, mutation in ribonuclease P protein Ph1601p
C97S/C100S
-
mutant enzyme exhibits little enzymatic activity, mutation in ribonuclease P protein Ph1601p
DELTAM1-R31
-
RNase P reconstituted with mutant protein Ph1771p has 15% reduced activity compared to that of the reconstituted RNase P with wild-type Ph1771p
E47A
mutant shows activity similar to the wild type enzyme
E73A
mutant shows reduced activity compared to the wild type enzyme
F95A
mutant shows reduced activity compared to the wild type enzyme
K121A
mutant shows activity similar to the wild type enzyme
K122A
mutant shows activity similar to the wild type enzyme
K90A
mutant shows strongly reduced activity compared to the wild type enzyme
R105A
-
mutation in ribonuclease P protein Ph1601p, mutation causes a significant reduction of the reconstituted RNase P activity as compared with that reconstituted by wild-type Ph1601p
R115A
mutant shows reduced activity compared to the wild type enzyme
R75A
mutant shows reduced activity compared to the wild type enzyme
additional information
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generation of several enzyme mutants with deleted stem loops in their RNA part. The mutants show reduced activity
additional information
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in order to investigate their functional role, six mutants are propared, DELTAP1, DELTAP3, DELTAP8, DELTAP9, DELTAP12, and DELTAP15, in which the stem-loops including helices P1, P3, P8, P9, P12/12.1/12.2, and P15/16 are individually deleted respectively. the mutant proteins are characterized with respect to pre-tRNA cleavage activity in the presence of five proteins and also to the ability to form a complex with the proteins. The results indicate that elimination of the stem-loops results in a reduction of the pre-tRNA cleavage activity. It is further suggested that the stem-loops containing P3 or P15/16 form a binding site for the PhoPop5-PhoRpp30 complex, and that their interaction is closely involved in the structural formation of an active site in PhopRNA
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Takagi, H.; Watanabe, M.; Kakuta, Y.; Kamachi, R.; Numata, T.; Tanaka, I.; Kimura, M.
Crystal structure of the ribonuclease P protein Ph1877p from hyperthermophilic archaeon Pyrococcus horikoshii OT3
Biochem. Biophys. Res. Commun.
319
787-794
2004
Pyrococcus horikoshii (O59543), Pyrococcus horikoshii OT-3 (O59543)
brenda
Fukuhara, H.; Kifusa, M.; Watanabe, M.; Terada, A.; Honda, T.; Numata, T.; Kakuta, Y.; Kimura, M.
A fifth protein subunit Ph1496p elevates the optimum temperature for the ribonuclease P activity from Pyrococcus horikoshii OT3
Biochem. Biophys. Res. Commun.
343
956-964
2006
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Kakuta, Y.; Ishimatsu, I.; Numata, T.; Kimura, K.; Yao, M.; Tanaka, I.; Kimura, M.
Crystal structure of a ribonuclease P protein Ph1601p from Pyrococcus horikoshii OT3: an archaeal homologue of human nuclear ribonuclease P protein Rpp21
Biochemistry
44
12086-12093
2005
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Kawano, S.; Nakashima, T.; Kakuta, Y.; Tanaka, I.; Kimura, M.
Crystal structure of protein Ph1481p in complex with protein Ph1877p of archaeal RNase P from Pyrococcus horikoshii OT3: implication of dimer formation of the holoenzyme
J. Mol. Biol.
357
583-591
2006
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Numata, T.; Ishimatsu, I.; Kakuta, Y.; Tanaka, I.; Kimura, M.
Crystal structure of archaeal ribonuclease P protein Ph1771p from Pyrococcus horikoshii OT3: an archaeal homolog of eukaryotic ribonuclease P protein Rpp29
RNA
10
1423-1432
2004
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Honda, T.; Kakuta, Y.; Kimura, K.; Saho, J.; Kimura, M.
Structure of an archaeal homolog of the human protein complex Rpp21-Rpp29 that is a key core component for the assembly of active ribonuclease P
J. Mol. Biol.
384
652-662
2008
Pyrococcus horikoshii (O59425), Pyrococcus horikoshii
brenda
Honda, T.; Hara, T.; Nan, J.; Zhang, X.; Kimura, M.
Archaeal homologs of human RNase P protein pairs Pop5 with Rpp30 and Rpp21 with Rpp29 work on distinct functional domains of the RNA subunit
Biosci. Biotechnol. Biochem.
74
266-273
2010
Escherichia coli, Pyrococcus horikoshii
brenda
Hara, T.; Terada, A.; Yamaguchi, H.; Nakashima, T.; Kakuta, Y.; Kimura, M.
The contribution of peripheral stem-loops to the catalytic activity of archaeal RNase P RNA from Pyrococcus horikoshii OT3
Biosci. Biotechnol. Biochem.
75
816-819
2011
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Terada, A.; Yoshida, T.; Kimura, M.
Identification of nucleotide residues essential for RNase P activity from the hyperthermophilic archaeon Pyrococcus horikoshii OT3
Biosci. Biotechnol. Biochem.
71
1940-1945
2007
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Terada, A.; Honda, T.; Fukuhara, H.; Hada, K.; Kimura, M.
Characterization of the archaeal ribonuclease P proteins from Pyrococcus horikoshii OT3
J. Biochem.
140
293-298
2006
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Hazeyama, K.; Ishihara, M.; Ueda, T.; Nishimoto, E.; Nakashima, T.; Kakuta, Y.; Kimura, M.
Extra-structural elements in the RNA recognition motif in archaeal Pop5 play a crucial role in the activation of RNase P RNA from Pyrococcus horikoshii OT3
Biochem. Biophys. Res. Commun.
440
594-598
2013
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Ueda, T.; Yamaguchi, H.; Miyanoshita, M.; Nakashima, T.; Kakuta, Y.; Kimura, M.
Characterization of the peripheral structures of archaeal RNase P RNA from Pyrococcus horikoshii OT3
J. Biochem.
155
25-33
2014
Pyrococcus horikoshii, Pyrococcus horikoshii OT-3
brenda
Ishihara, M.; Nishimoto, E.; Yamashita, S.; Kakuta, Y.; Kimura, M.
A distinct binding mode of archaeal ribonuclease P proteins to RNA
Biosci. Biotechnol. Biochem.
76
2335-2337
2012
Pyrococcus horikoshii
brenda
Kouzuma, Y.; Mizoguchi, M.; Takagi, H.; Fukuhara, H.; Tsukamoto, M.; Numata, T.; Kimura, M.
Reconstitution of archaeal ribonuclease P from RNA and four protein components
Biochem. Biophys. Res. Commun.
306
666-673
2003
Pyrococcus horikoshii (O59425 and O59150 and O59543 and O59248 and P62009), Pyrococcus horikoshii
brenda
Zwieb, C.; Nakao, Y.; Nakashima, T.; Takagi, H.; Goda, S.; Andersen, E.; Kakuta, Y.; Kimura, M.
Structural modeling of RNase P RNA of the hyperthermophilic archaeon Pyrococcus horikoshii OT3
Biochem. Biophys. Res. Commun.
414
517-522
2011
Pyrococcus horikoshii (O59425 and O59150 and O59543 and O59248 and P62009)
brenda
Gao, X.; Oshima, K.; Ueda, T.; Nakashima, T.; Kimura, M.
A three-dimensional model of RNase P in the hyperthermophilic archaeon Pyrococcus horikoshii OT3
Biochem. Biophys. Res. Commun.
493
1063-1068
2017
Pyrococcus horikoshii (O59150 AND O59248 AND O59425 AND O59543 AND P62009), Pyrococcus horikoshii (O59425 and O59150 and O59543 and O59248 and P62009), Pyrococcus horikoshii
brenda
Kimura, M.
Structural basis for activation of an archaeal ribonuclease P RNA by protein cofactors
Biosci. Biotechnol. Biochem.
81
1670-1680
2017
Pyrococcus horikoshii (O59150 AND O59425 AND O59248 AND O59543 AND P62009), Pyrococcus horikoshii
brenda