8H61

Ketoreductase CpKR mutant - M2

• PDB DOI: https://doi.org/10.2210/pdb8H61/pdb

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


• Deposited: 2022-10-14 Released: 2023-10-18 
• Deposition Author(s): Chen, 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: 1.90 Å
• R-Value Free: 0.216 
• R-Value Work: 0.178 
• R-Value Observed: 0.180 

Literature

Computational redesign of a robust ketoreductase for asymmetric synthesis of enantiopure diltiazem precursor.

Chen, 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)

Macromolecule Content

• Total Structure Weight: 42.24 kDa 
• Atom Count: 2,928 
• Modelled Residue Count: 340 
• Deposited Residue Count: 377 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mutant M2 of ketoreductase CpKR	A [auth B]	377	Candida parapsilosis	Mutation(s): 8
UniProt
Find proteins for G8B6C8 (Candida parapsilosis (strain CDC 317 / ATCC MYA-4646)) Explore G8B6C8  Go to UniProtKB:  G8B6C8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDP (Subject of Investigation/LOI)	B	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H30 N7 O17 P3 ACFIXJIJDZMPPO-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.216 
• R-Value Work: 0.178 
• R-Value Observed: 0.180 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.87	α = 90
b = 77.96	β = 90
c = 84.68	γ = 90

Software Package:

Software Name	Purpose
XDS	data scaling
XDS	data reduction
PHASER	phasing
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-10-18 
Deposition Author(s): Chen, 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: 2023-10-18
  Type: Initial release