Enzyme

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     2. Transferases
        2.7 Transferring phosphorus-containing groups
            2.7.7 Nucleotidyltransferases
ID:2.7.7.79
Description:tRNA(His) guanylyltransferase.
Alternative Name: Histidine tRNA guanylyltransferase.
Cath: 3.30.70.3000;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 2.7.7.79
BRENDA Enzyme Link: BRENDA 2.7.7.79
KEGG Enzyme Link: KEGG2.7.7.79
BioCyc Enzyme Link: BioCyc 2.7.7.79
ExPASy Enzyme Link: ExPASy2.7.7.79
EC2PDB Enzyme Link: EC2PDB 2.7.7.79
ExplorEnz Enzyme Link: ExplorEnz 2.7.7.79
PRIAM enzyme-specific profiles Link: PRIAM 2.7.7.79
IntEnz Enzyme Link: IntEnz 2.7.7.79
MEDLINE Enzyme Link: MEDLINE 2.7.7.79
MSA:

2.7.7.79;

Phylogenetic Tree:

2.7.7.79;

Uniprot:
M-CSA:
RHEA:54564 5'-end ribonucleotide-tRNA(His) + ATP + GTP + H2O = 5'-phospho-guanosine-ribonucleotide-tRNA(His) + AMP + 2 diphosphate + H(+)
RULE(radius=1) [*:1]-[OH;+0:2].[*:3]-[P;H0;+0:4](=[*:5])(-[*:6])-[O;H0;+0:7]-[*:8].[*:9]-[P;H0;+0:10](=[*:11])(-[*:12])-[OH;+0:13]>>[*:1]-[O;H0;+0:2]-[P;H0;+0:10](-[*:9])(=[*:11])-[*:12].[*:8]-[OH;+0:7].[*:3]-[P;H0;+0:4](=[*:5])(-[*:6])-[OH;+0:13]
Reaction
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References

TitleAuthorsDatePubMed ID
tRNA(His) guanylyltransferase (THG1), a unique 3'-5' nucleotidyl transferase, shares unexpected structural homology with canonical 5'-3' DNA polymerases.Hyde SJ, Eckenroth BE, Smith BA, Eberley WA, Heintz NH, Jackman JE, Doublié S2010 Nov 2321059936
Plant mitochondria use two pathways for the biogenesis of tRNAHis.Placido A, Sieber F, Gobert A, Gallerani R, Giegé P, Maréchal-Drouard L2010 Nov20660484
Identification of critical residues for G-1 addition and substrate recognition by tRNA(His) guanylyltransferase.Jackman JE, Phizicky EM2008 Apr 2218366186
Histidine tRNA guanylyltransferase from Saccharomyces cerevisiae. II. Catalytic mechanism.Jahn D, Pande S1991 Dec 51660462
Histidine tRNA guanylyltransferase from Saccharomyces cerevisiae. I. Purification and physical properties.Pande S, Jahn D, Söll D1991 Dec 51660461
tRNAHis maturation: an essential yeast protein catalyzes addition of a guanine nucleotide to the 5' end of tRNAHis.Gu W, Jackman JE, Lohan AJ, Gray MW, Phizicky EM2003 Dec 114633974
Saccharomyces cerevisiae Thg1 uses 5'-pyrophosphate removal to control addition of nucleotides to tRNA(His.).Smith BA, Jackman JE2014 Mar 424548272
Doing it in reverse: 3'-to-5' polymerization by the Thg1 superfamily.Jackman JE, Gott JM, Gray MW2012 May22456265