Enzymes
| UniProtKB help_outline | 900 proteins |
Reaction participants Show >> << Hide
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Namehelp_outline
L-methionyl-tRNALeu
Identifier
RHEA-COMP:18931
Reactive part
help_outline
- Name help_outline 3'-(L-methionyl)adenylyl group Identifier CHEBI:78530 Charge 0 Formula C15H22N6O7PS SMILEShelp_outline CSCC[C@H]([NH3+])C(=O)O[C@@H]1[C@@H](COP([O-])(-*)=O)O[C@H]([C@@H]1O)n1cnc2c(N)ncnc12 2D coordinates Mol file for the small molecule Search links Involved in 4 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H2O Identifier CHEBI:15377 (CAS: 7732-18-5) help_outline Charge 0 Formula H2O InChIKeyhelp_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILEShelp_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 6,485 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
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Namehelp_outline
tRNALeu
Identifier
RHEA-COMP:9613
Reactive part
help_outline
- Name help_outline AMP 3'-end residue Identifier CHEBI:78442 Charge -1 Formula C10H12N5O6P SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(-*)=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 79 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline L-methionine Identifier CHEBI:57844 Charge 0 Formula C5H11NO2S InChIKeyhelp_outline FFEARJCKVFRZRR-BYPYZUCNSA-N SMILEShelp_outline CSCC[C@H]([NH3+])C([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 131 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,932 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:77535 | RHEA:77536 | RHEA:77537 | RHEA:77538 | |
|---|---|---|---|---|
| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
| UniProtKB help_outline |
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Publications
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A bridge between the aminoacylation and editing domains of leucyl-tRNA synthetase is crucial for its synthetic activity.
Huang Q., Zhou X.L., Hu Q.H., Lei H.Y., Fang Z.P., Yao P., Wang E.D.
Leucyl-tRNA synthetases (LeuRSs) catalyze the linkage of leucine with tRNA(Leu). LeuRS contains a catalysis domain (aminoacylation) and a CP1 domain (editing). CP1 is inserted 35 Å from the aminoacylation domain. Aminoacylation and editing require CP1 to swing to the coordinated conformation. The ... >> More
Leucyl-tRNA synthetases (LeuRSs) catalyze the linkage of leucine with tRNA(Leu). LeuRS contains a catalysis domain (aminoacylation) and a CP1 domain (editing). CP1 is inserted 35 Å from the aminoacylation domain. Aminoacylation and editing require CP1 to swing to the coordinated conformation. The neck between the CP1 domain and the aminoacylation domain is defined as the CP1 hairpin. The location of the CP1 hairpin suggests a crucial role in the CP1 swing and domain-domain interaction. Here, the CP1 hairpin of Homo sapiens cytoplasmic LeuRS (hcLeuRS) was deleted or substituted by those from other representative species. Lack of a CP1 hairpin led to complete loss of aminoacylation, amino acid activation, and tRNA binding; however, the mutants retained post-transfer editing. Only the CP1 hairpin from Saccharomyces cerevisiae LeuRS (ScLeuRS) could partly rescue the hcLeuRS functions. Further site-directed mutagenesis indicated that the flexibility of small residues and the charge of polar residues in the CP1 hairpin are crucial for the function of LeuRS. << Less
RNA 20:1440-1450(2014) [PubMed] [EuropePMC]
This publication is cited by 1 other entry.