4BS9

Structure of the heterocyclase TruD

• PDB DOI: https://doi.org/10.2210/pdb4BS9/pdb

• Classification: ISOMERASE
• Organism(s): uncultured Prochloron sp. 06037A
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-06-09 Released: 2013-11-06 
• Deposition Author(s): Koehnke, J., Bent, A.F., Zollman, D., Smith, K., Houssen, W.E., Zhu, X., Mann, G., Lebl, T., Scharff, R., Shirran, S., Botting, C.H., Jaspars, M., Schwarz-Linek, U., Naismith, J.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.237 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 

Literature

The Cyanobactin Heterocyclase Enzyme: A Processive Adenylase that Operates with a Defined Order of Reaction.

Koehnke, J., Bent, A.F., Zollman, D., Smith, K., Houssen, W.E., Zhu, X., Mann, G., Lebl, T., Scharff, R., Shirran, S., Botting, C.H., Jaspars, M., Schwarz-Linek, U., Naismith, J.H.

(2013) Angew Chem Int Ed Engl 52: 13991

• PubMed: 24214017 
• DOI: https://doi.org/10.1002/anie.201306302
• Primary Citation of Related Structures:  
  4BS9

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Organizational Affiliation: 

Biomedical Science Research Complex, University of St Andrews, North Haugh, St Andrews, KY16 9ST (UK).

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)

Macromolecule Content

• Total Structure Weight: 87.2 kDa 
• Atom Count: 5,472 
• Modelled Residue Count: 691 
• Deposited Residue Count: 781 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRUD	A	781	uncultured Prochloron sp. 06037A	Mutation(s): 0
UniProt
Find proteins for B2KYG8 (uncultured Prochloron sp. 06037A) Explore B2KYG8  Go to UniProtKB:  B2KYG8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.237 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 
• Space Group: I 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 138.27	α = 90
b = 138.27	β = 90
c = 280.39	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALEPACK	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-11-06 
Deposition Author(s): Koehnke, J., Bent, A.F., Zollman, D., Smith, K., Houssen, W.E., Zhu, X., Mann, G., Lebl, T., Scharff, R., Shirran, S., Botting, C.H., Jaspars, M., Schwarz-Linek, U., Naismith, J.H.

Revision History  

• Version 1.0: 2013-11-06
  Type: Initial release
  
• Version 1.1: 2013-11-20
  Changes: Database references
• Version 1.2: 2014-01-08
  Changes: Database references