7F3P

Crystal structure of a nadp-dependent alcohol dehydrogenase mutant in apo form


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.181 
  • R-Value Observed: 0.184 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history


Literature

Unlocking the Stereoselectivity and Substrate Acceptance of Enzymes: Proline-Induced Loop Engineering Test.

Qu, G.Bi, Y.Liu, B.Li, J.Han, X.Liu, W.Jiang, Y.Qin, Z.Sun, Z.

(2022) Angew Chem Int Ed Engl 61: e202110793-e202110793

  • DOI: https://doi.org/10.1002/anie.202110793
  • Primary Citation of Related Structures:  
    7F3P

  • PubMed Abstract: 

    Protein stability and evolvability influence each other. Although protein dynamics play essential roles in various catalytically important properties, their high flexibility and diversity makes it difficult to incorporate such properties into rational engineering. Therefore, how to unlock the potential evolvability in a user-friendly rational design process remains a challenge. In this endeavor, we describe a method for engineering an enantioselective alcohol dehydrogenase. It enables synthetically important substrate acceptance for 4-chlorophenyl pyridine-2-yl ketone, and perfect stereocontrol of both (S)- and (R)-configured products. Thermodynamic analysis unveiled the subtle interaction between enzyme stability and evolvability, while computational studies provided insights into the origin of selectivity and substrate recognition. Preparative-scale synthesis of the (S)-product (73 % yield; >99 % ee) was performed on a gram-scale. This proof-of-principle study demonstrates that interfaced proline residues can be rationally engineered to unlock evolvability and thus provide access to new biocatalysts with highly improved catalytic performance.


  • Organizational Affiliation

    Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
NADP-dependent isopropanol dehydrogenase
A, B, C, D
358Thermoanaerobacter brockiiMutation(s): 2 
Gene Names: adh
EC: 1.1.1.80
UniProt
Find proteins for P14941 (Thermoanaerobacter brockii)
Explore P14941 
Go to UniProtKB:  P14941
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP14941
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.237 
  • R-Value Work: 0.181 
  • R-Value Observed: 0.184 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 79.848α = 90
b = 132.713β = 90
c = 135.23γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data scaling
PDB_EXTRACTdata extraction
HKL-2000data reduction
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2021-10-27
    Type: Initial release
  • Version 1.1: 2022-02-16
    Changes: Database references
  • Version 1.2: 2022-02-23
    Changes: Database references
  • Version 1.3: 2023-11-29
    Changes: Data collection, Refinement description