3a5z
From Proteopedia
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{{STRUCTURE_3a5z| PDB=3a5z | SCENE= }} | {{STRUCTURE_3a5z| PDB=3a5z | SCENE= }} | ||
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===Crystal structure of Escherichia coli GenX in complex with elongation factor P=== | ===Crystal structure of Escherichia coli GenX in complex with elongation factor P=== | ||
+ | {{ABSTRACT_PUBMED_20729861}} | ||
- | + | ==Function== | |
+ | [[http://www.uniprot.org/uniprot/C3SGA2_ECOLX C3SGA2_ECOLX]] With EpmB is involved in the beta-lysylation step of the post-translational modification of translation elongation factor P (EF-P) on 'Lys-34'. Catalyzes the ATP-dependent activation of (R)-beta-lysine produced by EpmB, forming a lysyl-adenylate, from which the beta-lysyl moiety is then transferred to the epsilon-amino group of EF-P 'Lys-34' (By similarity).[HAMAP-Rule:MF_00174] [[http://www.uniprot.org/uniprot/C3SGD7_ECOLX C3SGD7_ECOLX]] Involved in peptide bond synthesis. Alleviates ribosome stalling that occurs when 3 or more consecutive Pro residues or the sequence PPG is present in a protein, possibly by augmenting the peptidyl transferase activity of the ribosome. Modification of Lys-34 is required for alleviation (By similarity).[HAMAP-Rule:MF_00141] | ||
==About this Structure== | ==About this Structure== | ||
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==Reference== | ==Reference== | ||
- | <ref group="xtra">PMID:020729861</ref><references group="xtra"/> | + | <ref group="xtra">PMID:020729861</ref><references group="xtra"/><references/> |
[[Category: Escherichia coli]] | [[Category: Escherichia coli]] | ||
[[Category: Lysine--tRNA ligase]] | [[Category: Lysine--tRNA ligase]] |
Revision as of 05:09, 23 October 2013
Contents |
Crystal structure of Escherichia coli GenX in complex with elongation factor P
Template:ABSTRACT PUBMED 20729861
Function
[C3SGA2_ECOLX] With EpmB is involved in the beta-lysylation step of the post-translational modification of translation elongation factor P (EF-P) on 'Lys-34'. Catalyzes the ATP-dependent activation of (R)-beta-lysine produced by EpmB, forming a lysyl-adenylate, from which the beta-lysyl moiety is then transferred to the epsilon-amino group of EF-P 'Lys-34' (By similarity).[HAMAP-Rule:MF_00174] [C3SGD7_ECOLX] Involved in peptide bond synthesis. Alleviates ribosome stalling that occurs when 3 or more consecutive Pro residues or the sequence PPG is present in a protein, possibly by augmenting the peptidyl transferase activity of the ribosome. Modification of Lys-34 is required for alleviation (By similarity).[HAMAP-Rule:MF_00141]
About this Structure
3a5z is a 8 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA.
See Also
Reference
- Yanagisawa T, Sumida T, Ishii R, Takemoto C, Yokoyama S. A paralog of lysyl-tRNA synthetase aminoacylates a conserved lysine residue in translation elongation factor P. Nat Struct Mol Biol. 2010 Sep;17(9):1136-43. Epub 2010 Aug 22. PMID:20729861 doi:10.1038/nsmb.1889
Categories: Escherichia coli | Lysine--tRNA ligase | Ishii, R. | Sumida, T. | Yanagisawa, T. | Yokoyama, S. | Aminoacyl-trna synthetase | Aminoacyl-trna synthetase paralog | Elongation factor | Ligase | Lysyl-trna synthetase | National project on protein structural and functional analyse | Nppsfa | Riken structural genomics/proteomics initiative | Rsgi | Structural genomic | Translation | Trna