4AVC

Crystal structure of protein lysine acetyltransferase Rv0998 in complex with acetyl CoA and cAMP


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.806 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.199 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Cyclic AMP Regulation of Protein Lysine Acetylation in Mycobacterium Tuberculosis.

Lee, H.J.Lang, P.T.Fortune, S.M.Sassetti, C.M.Alber, T.

(2012) Nat.Struct.Mol.Biol. 19: 811

  • DOI: 10.1038/nsmb.2318
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Protein lysine acetylation networks can regulate central processes such as carbon metabolism and gene expression in bacteria. In Escherichia coli, cyclic AMP (cAMP) regulates protein lysine acetyltransferase (PAT) activity at the transcriptional leve ...

    Protein lysine acetylation networks can regulate central processes such as carbon metabolism and gene expression in bacteria. In Escherichia coli, cyclic AMP (cAMP) regulates protein lysine acetyltransferase (PAT) activity at the transcriptional level, but in Mycobacterium tuberculosis, fusion of a cyclic nucleotide-binding domain to a Gcn5-like PAT domain enables direct cAMP control of protein acetylation. Here we describe the allosteric activation mechanism of M. tuberculosis PAT. The crystal structures of the autoinhibited and cAMP-activated PAT reveal that cAMP binds to a cryptic site in the regulatory domain that is over 32 Å from the catalytic site. An extensive conformational rearrangement relieves this autoinhibition by means of a substrate-mimicking lid that covers the protein-substrate binding surface. A steric double latch couples the domains by harnessing a classic, cAMP-mediated conformational switch. The structures suggest general features that enable the evolution of long-range communication between linked domains.


    Organizational Affiliation

    Department of Molecular and Cell Biology, University of California, Berkeley, California, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
LYSINE ACETYLTRANSFERASE
A, B
333Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)Mutation(s): 0 
EC: 2.3.1.-
Find proteins for O05581 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Go to UniProtKB:  O05581
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ACO
Query on ACO

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Download CCD File 
A, B
ACETYL COENZYME *A
C23 H38 N7 O17 P3 S
ZSLZBFCDCINBPY-ZSJPKINUSA-N
 Ligand Interaction
EDO
Query on EDO

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Download CCD File 
B
1,2-ETHANEDIOL
ETHYLENE GLYCOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
PEG
Query on PEG

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Download CCD File 
A, B
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
 Ligand Interaction
CMP
Query on CMP

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Download CCD File 
A, B
ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE
CYCLIC AMP; CAMP
C10 H12 N5 O6 P
IVOMOUWHDPKRLL-KQYNXXCUSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
MSE
Query on MSE
A, B
L-PEPTIDE LINKINGC5 H11 N O2 SeMET
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.806 Å
  • R-Value Free: 0.267 
  • R-Value Work: 0.199 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 68.661α = 90.00
b = 50.151β = 106.63
c = 110.102γ = 90.00
Software Package:
Software NamePurpose
PHENIXrefinement
SCALEPACKdata scaling
PHENIXphasing
HKL-2000data reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2012-07-11
    Type: Initial release
  • Version 1.1: 2012-08-22
    Type: Database references