7XWU

Ketoreductase CpKR mutant - M1

• PDB DOI: https://doi.org/10.2210/pdb7XWU/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Candida parapsilosis
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): Yes 


• Deposited: 2022-05-27 Released: 2023-05-31 
• Deposition Author(s): Chen, C., Zheng, Y.C., Pan, J., Xu, J.H.
• Funding Organization(s): National Key Research and Development Program of China

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.238 
• R-Value Work: 0.202 
• R-Value Observed: 0.203 

Starting Model: experimental

Literature

Computational Redesign of a robust Ketoreductase for Asymmetric Synthesis of Enantiopure diltiazem precursor.

Chen, C., Zheng, Y.C., Pan, J., Xu, J.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 84.65 kDa 
• Atom Count: 5,714 
• Modelled Residue Count: 663 
• Deposited Residue Count: 754 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Epimerase domain-containing protein	A, B	377	Candida parapsilosis	Mutation(s): 4  Gene Names: CPAR2_100480
UniProt
Find proteins for G8B6C8 (Candida parapsilosis (strain CDC 317 / ATCC MYA-4646)) Explore G8B6C8  Go to UniProtKB:  G8B6C8

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDP (Subject of Investigation/LOI)	C [auth A], E [auth B]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H30 N7 O17 P3 ACFIXJIJDZMPPO-NNYOXOHSSA-N
PEG	D [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.238 
• R-Value Work: 0.202 
• R-Value Observed: 0.203 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.271	α = 78.75
b = 53.562	β = 81.65
c = 79.565	γ = 78.15

Software Package:

Software Name	Purpose
HKL-3000	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-05-31 
Deposition Author(s): Chen, C., Zheng, Y.C., Pan, J., Xu, J.H.

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Funding Organization	Location	Grant Number
National Key Research and Development Program of China	China	2019YFA09005000

Revision History  

• Version 1.0: 2023-05-31
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description