5KTK

Ketoreductase from module 3 of the bacillaene synthase from Bacillus subtilis 168

• PDB DOI: https://doi.org/10.2210/pdb5KTK/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Bacillus subtilis subsp. subtilis str. 168
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2016-07-11 Released: 2016-09-07 
• Deposition Author(s): Wagner, D.T., Gay, D.C., Keatinge-Clay, A.T.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 0.231 
• R-Value Work: 0.207 
• R-Value Observed: 0.208 

Starting Model: experimental

Literature

Ketoreductase from module 3 of the bacillaene synthase from Bacillus subtilis 168

Wagner, D.T., Gay, D.C., Keatinge-Clay, A.T.

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: 59 kDa 
• Atom Count: 3,763 
• Modelled Residue Count: 452 
• Deposited Residue Count: 519 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polyketide synthase PksJ	A	519	Bacillus subtilis subsp. subtilis str. 168	Mutation(s): 0  Gene Names: pksJ, pksK, BSU17180
UniProt
Find proteins for P40806 (Bacillus subtilis (strain 168)) Explore P40806  Go to UniProtKB:  P40806

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDP	B [auth A]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H30 N7 O17 P3 ACFIXJIJDZMPPO-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 0.231 
• R-Value Work: 0.207 
• R-Value Observed: 0.208 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.098	α = 90
b = 84.869	β = 90
c = 134.298	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2016-09-07 
Deposition Author(s): Wagner, D.T., Gay, D.C., Keatinge-Clay, A.T.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	2616061650

Revision History  

• Version 1.0: 2016-09-07
  Type: Initial release
  
• Version 1.1: 2017-09-20
  Changes: Author supporting evidence, Derived calculations
• Version 1.2: 2019-12-25
  Changes: Author supporting evidence
• Version 1.3: 2023-10-04
  Changes: Data collection, Database references, Refinement description