5UPQ

Acyl-CoA synthetase PtmA2 from Streptomyces platensis in complex with SBNP465 ligand


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.42 Å
  • R-Value Free: 0.285 
  • R-Value Work: 0.232 
  • R-Value Observed: 0.234 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.5 of the entry. See complete history


Literature

Natural separation of the acyl-CoA ligase reaction results in a non-adenylating enzyme.

Wang, N.Rudolf, J.D.Dong, L.B.Osipiuk, J.Hatzos-Skintges, C.Endres, M.Chang, C.Y.Babnigg, G.Joachimiak, A.Phillips, G.N.Shen, B.

(2018) Nat Chem Biol 14: 730-737

  • DOI: https://doi.org/10.1038/s41589-018-0061-0
  • Primary Citation of Related Structures:  
    5E7Q, 5UPQ, 5UPS, 5UPT

  • PubMed Abstract: 

    Acyl-coenzyme A (CoA) ligases catalyze the activation of carboxylic acids via a two-step reaction of adenylation followed by thioesterification. Here, we report the discovery of a non-adenylating acyl-CoA ligase PtmA2 and the functional separation of an acyl-CoA ligase reaction. Both PtmA1 and PtmA2, two acyl-CoA ligases from the biosynthetic pathway of platensimycin and platencin, are necessary for the two steps of CoA activation. Gene inactivation of ptmA1 and ptmA2 resulted in the accumulation of free acid and adenylate intermediates, respectively. Enzymatic and structural characterization of PtmA2 confirmed its ability to only catalyze thioesterification. Structural characterization of PtmA2 revealed it binds both free acid and adenylate substrates and undergoes the established mechanism of domain alternation. Finally, site-directed mutagenesis restored both the adenylation and complete CoA activation reactions. This study challenges the currently accepted paradigm of adenylating enzymes and inspires future investigations on functionally separated acyl-CoA ligases and their ramifications in biology.


  • Organizational Affiliation

    Department of Chemistry, The Scripps Research Institute, Jupiter, FL, USA.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Acyl-CoA synthetase PtmA2
A, B
525Streptomyces platensis subsp. rosaceusMutation(s): 0 
UniProt
Find proteins for A0A0A0V031 (Streptomyces platensis)
Explore A0A0A0V031 
Go to UniProtKB:  A0A0A0V031
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupA0A0A0V031
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
8JJ
Query on 8JJ

Download Ideal Coordinates CCD File 
C [auth A],
L [auth B]
5'-O-[(R)-{[(7beta,8alpha,9beta,10alpha,13alpha,16beta)-7,16-dihydroxy-18-oxokauran-18-yl]oxy}(hydroxy)phosphoryl]adenosine
C30 H44 N5 O10 P
LGCUMWKRNQUJBL-BSUNFUJCSA-N
SO4
Query on SO4

Download Ideal Coordinates CCD File 
D [auth A]
E [auth A]
F [auth A]
G [auth A]
H [auth A]
D [auth A],
E [auth A],
F [auth A],
G [auth A],
H [auth A],
I [auth A],
M [auth B],
N [auth B],
O [auth B],
P [auth B],
Q [auth B],
R [auth B],
S [auth B]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
GOL
Query on GOL

Download Ideal Coordinates CCD File 
T [auth B]GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL
Query on CL

Download Ideal Coordinates CCD File 
J [auth A],
K [auth A],
U [auth B]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
MSE
Query on MSE
A, B
L-PEPTIDE LINKINGC5 H11 N O2 SeMET
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.42 Å
  • R-Value Free: 0.285 
  • R-Value Work: 0.232 
  • R-Value Observed: 0.234 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 69.608α = 90
b = 145.737β = 90
c = 145.756γ = 90
Software Package:
Software NamePurpose
HKL-3000data scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-3000data reduction
HKL-3000phasing
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report



Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2017-02-22
    Type: Initial release
  • Version 1.1: 2017-03-22
    Changes: Database references, Structure summary
  • Version 1.2: 2017-11-22
    Changes: Refinement description
  • Version 1.3: 2018-07-11
    Changes: Data collection, Database references
  • Version 1.4: 2023-10-04
    Changes: Data collection, Database references, Refinement description
  • Version 1.5: 2023-11-15
    Changes: Data collection