4YZR

Bacillus subtilis 168 Bacillaene Polyketide Synthase (PKS) Cytochrome P450 PksS

• PDB DOI: https://doi.org/10.2210/pdb4YZR/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Bacillus subtilis subsp. subtilis str. 168
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-03-25 Released: 2016-04-13 
• Deposition Author(s): Race, P.R., Zulkepli, A.Z., Anderson, R.J.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 0.211 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 

Literature

Bacillus subtilis 168 Bacillaene Polyketide Synthase (PKS) Cytochrome P450 PksS

Race, P.R., Zulkepli, A.Z., Anderson, R.J.L.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 47.57 kDa 
• Atom Count: 3,511 
• Modelled Residue Count: 388 
• Deposited Residue Count: 405 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Polyketide biosynthesis cytochrome P450 PksS	A	405	Bacillus subtilis subsp. subtilis str. 168	Mutation(s): 0  Gene Names: pksS, BSU17230 EC: 1.14
UniProt
Find proteins for O31785 (Bacillus subtilis (strain 168)) Explore O31785  Go to UniProtKB:  O31785

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	C [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
HIS	B [auth A]	HISTIDINE C6 H10 N3 O2 HNDVDQJCIGZPNO-YFKPBYRVSA-O

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 0.211 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.81	α = 90
b = 66.69	β = 107.68
c = 74.54	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Coot	model building
SCALA	data scaling
PHASER	phasing
iMOSFLM	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-04-13 
Deposition Author(s): Race, P.R., Zulkepli, A.Z., Anderson, R.J.L.

Revision History  

• Version 1.0: 2016-04-13
  Type: Initial release
  
• Version 1.1: 2019-10-23
  Changes: Data collection
• Version 1.2: 2024-01-10
  Changes: Data collection, Database references, Refinement description