4JXN

CRYSTAL STRUCTURE OF POLYPRENYL SYNTHASE ISP_B (TARGET EFI-509198) FROM Roseobacter denitrificans

• PDB DOI: https://doi.org/10.2210/pdb4JXN/pdb

• Classification: TRANSFERASE
• Organism(s): Roseobacter denitrificans OCh 114
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-03-28 Released: 2013-05-01 
• Deposition Author(s): Patskovsky, Y., Toro, R., Bhosle, R., Hillerich, B., Seidel, R.D., Washington, E., Scott Glenn, A., Chowdhury, S., Evans, B., Hammonds, J., Zencheck, W.D., Imker, H.J., Al Obaidi, N., Stead, M., Love, J., Poulter, C.D., Gerlt, J.A., Almo, S.C., Enzyme Function Initiative (EFI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.283 
• R-Value Work: 0.218 
• R-Value Observed: 0.220 

Literature

Crystal Structure of Isoprenoid Synthase Isp_B from Roseobacter Denitrificans

Patskovsky, Y., Toro, R., Bhosle, R., Hillerich, B., Seidel, R.D., Washington, E., Scott Glenn, A., Chowdhury, S., Evans, B., Hammonds, J., Zencheck, W.D., Imker, H.J., Al Obaidi, N., Stead, M., Love, J., Poulter, C.D., Gerlt, J.A., Almo, S.C.

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)

Macromolecule Content

• Total Structure Weight: 36.16 kDa 
• Atom Count: 2,297 
• Modelled Residue Count: 297 
• Deposited Residue Count: 334 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Octaprenyl-diphosphate synthase	A	334	Roseobacter denitrificans OCh 114	Mutation(s): 0  Gene Names: ispB, RD1_3401
UniProt
Find proteins for Q163F0 (Roseobacter denitrificans (strain ATCC 33942 / OCh 114)) Explore Q163F0  Go to UniProtKB:  Q163F0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
UNL	B [auth A]	Unknown ligand VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.283 
• R-Value Work: 0.218 
• R-Value Observed: 0.220 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.49	α = 90
b = 115.172	β = 90
c = 136.221	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-05-01 
Deposition Author(s): Patskovsky, Y., Toro, R., Bhosle, R., Hillerich, B., Seidel, R.D., Washington, E., Scott Glenn, A., Chowdhury, S., Evans, B., Hammonds, J., Zencheck, W.D., Imker, H.J., Al Obaidi, N., Stead, M., Love, J., Poulter, C.D., Gerlt, J.A., Almo, S.C., Enzyme Function Initiative (EFI)

Revision History  

• Version 1.0: 2013-05-01
  Type: Initial release
  
• Version 1.1: 2018-01-24
  Changes: Structure summary
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description