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EC Tree
The taxonomic range for the selected organisms is: Saccharomyces cerevisiae The enzyme appears in selected viruses and cellular organisms
Synonyms
histidyl-trna synthetase, hisrs, hars2, jo-1 antigen, histidyl trna synthetase, histidyl-transfer rna synthetase, hars1, histidine-trna ligase, class ii histidyl-trna synthetase, mitochondrial histidyl trna synthetase,
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histidine-tRNA ligase homolog
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Histidyl-transfer ribonucleate synthetase
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Histidyl-tRNA synthetase
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Synthetase, histidyl-transfer ribonucleate
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Histidine--tRNA ligase
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Histidine--tRNA ligase homolog
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histidine-tRNA ligase
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histidine-tRNA ligase homolog
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Histidyl-transfer ribonucleate synthetase
histidyl-transfer RNA synthetase
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Synthetase, histidyl-transfer ribonucleate
HisRS
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Histidine translase
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Histidyl-transfer ribonucleate synthetase
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Histidyl-transfer ribonucleate synthetase
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Histidyl-tRNA synthetase
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Histidyl-tRNA synthetase
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Jo-1
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Jo-1 antigen
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Synthetase, histidyl-transfer ribonucleate
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Synthetase, histidyl-transfer ribonucleate
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ATP + L-histidine + tRNAHis = AMP + diphosphate + L-histidyl-tRNAHis
N73 is a discriminator base involved in histidylation activity, substrate recognition mechanism
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esterification
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Aminoacylation
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L-histidine:tRNAHis ligase (AMP-forming)
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ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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ir
ATP + L-histidine + minimalist RNA structures in a resected pseudoknot fold
AMP + diphosphate + L-histidyl-tRNAHis
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specifically recognized substrate, derived from tyrosine-accepting tRNA-like domain of brome mosaic virus RNA
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?
ATP + L-histidine + RNA microhelix
?
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidinyl-tRNAHis
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
ATP + L-histidine + tyrosine-accepting tRNA-like domain of brome mosaic virus RNA
AMP + diphosphate + L-histidyl-tyrosine-accepting tRNA-like domain of brome mosaic virus RNA
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specifically recognized substrate
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?
additional information
?
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ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidinyl-tRNAHis
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidinyl-tRNAHis
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all histidine tRNA molecules have an extra nucleotide, G-1, at the 59 end of the acceptor stem, G-1:C73 base pair binding analysis of the yeast enzyme
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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strategy for RNA recognition by the enzyme
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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the cytoplasmic enzyme efficiently charges bulk E. coli tRNA, the mitochondrial enzyme does not charge it
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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active with wild-type and mutant C73A and A37 insertion tRNAHis
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additional information
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substrate specificty, overview
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additional information
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binding of a chemically synthesized 24-nucleotide RNA microhelix, which recapitulates the acceptor stem of Saccharomyces cervisiae tRNAHis, functional group analysis, overview
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additional information
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addition of a first nucleotide to tRNAThr1 allows efficient histidylation by histidyl-tRNA synthetase. Loss of the first nucleotide of wild-type tRNAHis converts it to a substrate for threonyl-tRNA sythetase, EC 6.1.1.3
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additional information
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the enzyme recognizes tRNAHis with cytosine73 or adenine73 and a slight preference for adenine7
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ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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ir
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidinyl-tRNAHis
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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?
ATP + L-histidine + tRNAHis
AMP + diphosphate + L-histidyl-tRNAHis
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?
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Mg2+
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0.009
L-histidine
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pH 8.0, 37°C, diphosphate exchange
0.124
RNA microhelix
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pH 8.0, 37°C, aminoacylation
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0.00014 - 0.00043
tRNAHis
0.14
ATP
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ATP, , wild-type cytoplasmic enzyme
0.5
ATP
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pH 8.0, 37°C, diphosphate exchange
0.0006
His
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peptite mutant EB2 mitochondrial enzyme
0.0009
His
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wild-type mitochondrial enzyme
0.001
His
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petite mutant EB2 cytoplasmic enzyme
0.0018
His
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wild-type cytoplasmic enzyme
0.08
His
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wild-type mitochondrial enzyme
0.00014
tRNAHis
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pH 8.0, 37°C, aminoacylation
0.00043
tRNAHis
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pH 7.2, 37°C, wild-type substrate
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40
ATP
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pH 8.0, 37°C, diphosphate exchange
40
L-histidine
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pH 8.0, 37°C, diphosphate exchange
0.0013
RNA microhelix
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pH 8.0, 37°C, aminoacylation
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0.417
tRNAHis
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pH 7.2, 37°C, wild-type substrate
0.42
tRNAHis
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pH 8.0, 37°C, aminoacylation
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1000
tRNAHis
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pH 7.2, 37°C, wild-type substrate
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additional information
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7.5
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aminoacylation assay at
8
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diphosphate exchange assay at
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30
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aminoacylation assay at
37
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assay at
37
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diphosphate exchange assay at
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SwissProt
brenda
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brenda
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brenda
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evolution
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phylogenetic analysis reveals that tRNAThr1 originated from tRNAHis
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60000
x * 60000, amino acid sequence determination
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?
x * 60000, amino acid sequence determination
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additional information
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mutational study of the 1:73 base pair recognition by yeats HisRS using two chemically synthesized 24-nucleotide RNA microhelices, overview
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Ni-NTA column chromatography
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HTS1, phylogenetic analysis, expression in Escherichia coli strain BL21(DE3)
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Rudinger, J.; Felden, B.; Florentz, C.; Giege, R.
Strategy for RNA recognition by yeast histidyl-tRNA synthetase
Bioorg. Med. Chem.
5
1001-1009
1997
Saccharomyces cerevisiae
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Boguslawski, G.; Vodkin, M.H.; Finkelstein, D.B.; Fink, G.R.
Histidyl-tRNAs and histidyl-tRNA synthetases in wild type and cytoplasmic petite mutants of Saccharomyces cerevisiae
Biochemistry
13
4659-4667
1974
Saccharomyces cerevisiae
brenda
Freist, W.; Verhey, J.F.; Ruhlmann, A.; Gauss, D.H.; Arnez, J.G.
Histidyl-tRNA synthetase
Biol. Chem.
380
623-646
1999
Archaeoglobus fulgidus (O28631), Salmonella enterica subsp. enterica serovar Typhimurium (O52765), Mesocricetus auratus (P07178), Saccharomyces cerevisiae (P07263), Homo sapiens (P12081), Homo sapiens (P49590), Streptococcus dysgalactiae subsp. equisimilis (P30053), Caenorhabditis elegans (P34183), Haemophilus influenzae (P43823), Mycobacterium leprae (P46696), Mycoplasma genitalium (P47281), Porphyra purpurea (P51348), Thermus thermophilus (P56194), Thermus thermophilus, Helicobacter pylori (P56455), Escherichia coli (P60906), Escherichia coli, Takifugu rubripes (P70076), Mycoplasma pneumoniae (P75069), Oryza sativa (P93422), Mycobacterium tuberculosis (P9WFV5), Synechococcus sp. (Q55267), Synechocystis sp. (Q55653), Methanocaldococcus jannaschii (Q58406), Mus musculus (Q61035), Mycobacterium tuberculosis H37Rv (P9WFV5)
brenda
Felden, B.; Giege, R.
Resected RNA pseudoknots and their recognition by histidyl-tRNA synthetase
Proc. Natl. Acad. Sci. USA
95
10431-10436
1998
Saccharomyces cerevisiae
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Rosen, A.E.; Brooks, B.S.; Guth, E.; Francklyn, C.S.; Musier-Forsyth, K.
Evolutionary conservation of a functionally important backbone phosphate group critical for aminoacylation of histidine tRNAs
RNA
12
1315-1322
2006
Saccharomyces cerevisiae, Escherichia coli
brenda
Su, D.; Lieberman, A.; Lang, B.F.; Simonovic, M.; Soell, D.; Ling, J.
An unusual tRNAThr derived from tRNAHis reassigns in yeast mitochondria the CUN codons to threonine
Nucleic Acids Res.
39
4866-4874
2011
Saccharomyces cerevisiae
brenda
Lee, Y.H.; Chang, C.P.; Cheng, Y.J.; Kuo, Y.Y.; Lin, Y.S.; Wang, C.C.
Evolutionary gain of highly divergent tRNA specificities by two isoforms of human histidyl-tRNA synthetase
Cell. Mol. Life Sci.
74
2663-2677
2017
Bacillus subtilis, Saccharomyces cerevisiae, Homo sapiens
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