7ATL

EstCE1, a hydrolase with promiscuous acyltransferase activity


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.48 Å
  • R-Value Free: 0.235 
  • R-Value Work: 0.204 

wwPDB Validation   3D Report Full Report



Literature

Discovery and Design of Family VIII Carboxylesterases as Highly Efficient Acyltransferases.

Muller, H.Godehard, S.P.Palm, G.J.Berndt, L.Badenhorst, C.P.S.Becker, A.K.Lammers, M.Bornscheuer, U.

(2020) Angew Chem Int Ed Engl 

  • DOI: 10.1002/anie.202014169
  • Primary Citation of Related Structures:  
    7ATL

  • PubMed Abstract: 
  • Promiscuous acyltransferase activity is the ability of certain hydrolases to preferentially catalyze acyl transfer over hydrolysis, even in bulk water. However, poor enantioselectivity, low transfer efficiency, significant product hydrolysis, and lim ...

    Promiscuous acyltransferase activity is the ability of certain hydrolases to preferentially catalyze acyl transfer over hydrolysis, even in bulk water. However, poor enantioselectivity, low transfer efficiency, significant product hydrolysis, and limited substrate scope represent considerable drawbacks for their application. By activity-based screening of several hydrolases, we identified the family VIII carboxylesterase, EstCE1, as an unprecedentedly efficient acyltransferase. EstCE1 catalyzes the irreversible amidation and carbamoylation of amines in water, which enabled the synthesis of the drug moclobemide from methyl 4-chlorobenzoate and 4-(2-aminoethyl)morpholine (ca. 20 % conversion). We solved the crystal structure of EstCE1 and detailed structure-function analysis revealed a three-amino acid motif important for promiscuous acyltransferase activity. Introducing this motif into an esterase without acetyltransferase activity transformed a "hydrolase" into an "acyltransferase".


    Organizational Affiliation

    Department of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, 17487, Greifswald, Germany.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
EsteraseAAA396uncultured bacterium pCosCE1Mutation(s): 0 
Gene Names: estCE
Find proteins for Q1I192 (uncultured bacterium pCosCE1)
Explore Q1I192 
Go to UniProtKB:  Q1I192
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
1PE
Query on 1PE

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AAA
PENTAETHYLENE GLYCOL
C10 H22 O6
JLFNLZLINWHATN-UHFFFAOYSA-N
 Ligand Interaction
PG4
Query on PG4

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AAA
TETRAETHYLENE GLYCOL
C8 H18 O5
UWHCKJMYHZGTIT-UHFFFAOYSA-N
 Ligand Interaction
PEG
Query on PEG

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AAA
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
 Ligand Interaction
EDO
Query on EDO

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AAA
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.48 Å
  • R-Value Free: 0.235 
  • R-Value Work: 0.204 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 99.433α = 90
b = 99.433β = 90
c = 228.132γ = 120
Software Package:
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2020-11-18
    Type: Initial release