3K0Z

Crystal structure of Putative polyketide cyclase (NP_977253.1) from BACILLUS CEREUS ATCC 10987 at 1.91 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3K0Z/pdb

• Classification: LYASE
• Organism(s): Bacillus cereus ATCC 10987
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-09-25 Released: 2009-11-03 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.91 Å
• R-Value Free: 0.219 
• R-Value Work: 0.170 
• R-Value Observed: 0.173 

Literature

Crystal structure of Putative polyketide cyclase (NP_977253.1) from BACILLUS CEREUS ATCC 10987 at 1.91 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 36.81 kDa 
• Atom Count: 2,750 
• Modelled Residue Count: 298 
• Deposited Residue Count: 318 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative polyketide cyclase	A, B	159	Bacillus cereus ATCC 10987	Mutation(s): 0  Gene Names: BCE_0930
UniProt
Find proteins for Q73CY4 (Bacillus cereus (strain ATCC 10987 / NRS 248)) Explore Q73CY4  Go to UniProtKB:  Q73CY4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NHE	C [auth A], D [auth B]	2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID C8 H17 N O3 S MKWKNSIESPFAQN-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.91 Å
• R-Value Free: 0.219 
• R-Value Work: 0.170 
• R-Value Observed: 0.173 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/M33K0Z

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.829	α = 90
b = 77.414	β = 90
c = 109.02	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-11-03 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2009-11-03
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-17
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations