5U89

Crystal structure of a cross-module fragment from the dimodular NRPS DhbF


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.08 Å
  • R-Value Free: 0.259 
  • R-Value Work: 0.216 
  • R-Value Observed: 0.218 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

X-Ray Crystallography and Electron Microscopy of Cross- and Multi-Module Nonribosomal Peptide Synthetase Proteins Reveal a Flexible Architecture.

Tarry, M.J.Haque, A.S.Bui, K.H.Schmeing, T.M.

(2017) Structure 25: 783-793.e4

  • DOI: 10.1016/j.str.2017.03.014
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Nonribosomal peptide synthetases (NRPS) are macromolecular machines that produce peptides with diverse activities. Structural information exists for domains, didomains, and even modules, but little is known about higher-order organization. We perform ...

    Nonribosomal peptide synthetases (NRPS) are macromolecular machines that produce peptides with diverse activities. Structural information exists for domains, didomains, and even modules, but little is known about higher-order organization. We performed a multi-technique study on constructs from the dimodular NRPS DhbF. We determined a crystal structure of a cross-module construct including the adenylation (A) and peptidyl carrier protein (PCP) domains from module 1 and the condensation domain from module 2, complexed with an adenosine-vinylsulfonamide inhibitor and an MbtH-like protein (MLP). The action of the inhibitor and the role of the MLP were investigated using adenylation reactions and isothermal titration calorimetry. In the structure, the PCP and A domains adopt a novel conformation, and noncovalent, cross-module interactions are limited. We calculated envelopes of dimodular DhbF using negative-stain electron microscopy. The data show large conformational variability between modules. Together, our results suggest that NRPSs lack a uniform, rigid supermodular architecture.


    Organizational Affiliation

    Department of Biochemistry, McGill University, Montréal, QC H3G 0B1, Canada. Electronic address: martin.schmeing@mcgill.ca.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Amino acid adenylation domain protein
A
1080Geobacillus sp. Y4.1MC1Mutation(s): 0 
Gene Names: GY4MC1_0171
Protein Feature View
  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
MbtH domain protein
B
83Geobacillus sp. Y4.1MC1Mutation(s): 0 
Gene Names: GY4MC1_0172
Protein Feature View
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MJ8
Query on MJ8

Download CCD File 
A
5'-({[(2R)-3-amino-2-{[2-({N-[(2R)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-beta-alanyl}amino)ethyl]sulfanyl}propyl]sulfonyl}amino)-5'-deoxyadenosine
C24 H42 N9 O12 P S2
AKPDLNPLPXRYTO-XGVFZYDCSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.08 Å
  • R-Value Free: 0.259 
  • R-Value Work: 0.216 
  • R-Value Observed: 0.218 
  • Space Group: P 65 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 119.51α = 90
b = 119.51β = 90
c = 589.647γ = 120
Software Package:
Software NamePurpose
PHENIXrefinement
iMOSFLMdata reduction
SCALAdata scaling
PHENIXphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Canadian Institutes of Health Research (CIHR)CanadaFDN-148472

Revision History 

  • Version 1.0: 2017-05-10
    Type: Initial release
  • Version 1.1: 2017-05-17
    Changes: Database references
  • Version 1.2: 2020-01-08
    Changes: Author supporting evidence