1S7L

RimL- Ribosomal L7/L12 alpha-N-protein acetyltransferase in complex with Coenzyme A (CoA-Cys134 Disulfide)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 
    0.245 (Depositor), 0.240 (DCC) 
  • R-Value Work: 
    0.193 (Depositor), 0.190 (DCC) 
  • R-Value Observed: 
    0.193 (Depositor) 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted COAClick on this verticalbar to view details

This is version 1.4 of the entry. See complete history


Literature

A novel dimeric structure of the RimL Nalpha-acetyltransferase from Salmonella typhimurium.

Vetting, M.W.de Carvalho, L.P.Roderick, S.L.Blanchard, J.S.

(2005) J Biol Chem 280: 22108-22114

  • DOI: https://doi.org/10.1074/jbc.M502401200
  • Primary Citation of Related Structures:  
    1S7F, 1S7K, 1S7L, 1S7N

  • PubMed Abstract: 

    RimL is responsible for converting the prokaryotic ribosomal protein from L12 to L7 by acetylation of its N-terminal amino group. We demonstrate that purified RimL is capable of posttranslationally acetylating L12, exhibiting a V(max) of 21 min(-1). We have also determined the apostructure of RimL from Salmonella typhimurium and its complex with coenzyme A, revealing a homodimeric oligomer with structural similarity to other Gcn5-related N-acetyltransferase superfamily members. A large central trough located at the dimer interface provides sufficient room to bind both L12 N-terminal helices. Structural and biochemical analysis indicates that RimL proceeds by single-step transfer rather than a covalent-enzyme intermediate. This is the first structure of a Gcn5-related N-acetyltransferase family member with demonstrated activity toward a protein N(alpha)-amino group and is a first step toward understanding the molecular basis for N(alpha)acetylation and its function in cellular regulation.


  • Organizational Affiliation

    Department of Biochemistry, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461-1602, USA.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
acetyl transferase182Salmonella enterica subsp. enterica serovar Typhimurium str. LT2Mutation(s): 0 
Gene Names: RimL
EC: 2.3.1
UniProt
Find proteins for Q8ZPC0 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Explore Q8ZPC0 
Go to UniProtKB:  Q8ZPC0
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8ZPC0
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free:  0.245 (Depositor), 0.240 (DCC) 
  • R-Value Work:  0.193 (Depositor), 0.190 (DCC) 
  • R-Value Observed: 0.193 (Depositor) 
Space Group: P 41 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 92.92α = 90
b = 92.92β = 90
c = 55.67γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted COAClick on this verticalbar to view details

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2005-03-15
    Type: Initial release
  • Version 1.1: 2008-04-29
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Source and taxonomy, Version format compliance
  • Version 1.3: 2023-08-23
    Changes: Data collection, Database references, Derived calculations, Refinement description
  • Version 1.4: 2024-10-30
    Changes: Structure summary