6A3X

Crystal structure of a synthase 1 from Santalum album in complex with ligand s

• PDB DOI: https://doi.org/10.2210/pdb6A3X/pdb

• Classification: TRANSFERASE
• Organism(s): Santalum album
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2018-06-18 Released: 2019-06-19 
• Deposition Author(s): Han, X., Ko, T.P., Liu, W.D., Chen, C.C., Guo, R.T.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.185 
• R-Value Work: 0.160 
• R-Value Observed: 0.161 

Starting Model: experimental

Literature

Crystal structure of a synthase 1 from Santalum album in complex with ligand s

Han, X., Ko, T.P., Liu, W.D., Chen, C.C., Guo, R.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: 65.53 kDa 
• Atom Count: 4,625 
• Modelled Residue Count: 515 
• Deposited Residue Count: 566 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sesquisabinene B synthase 1	A	566	Santalum album	Mutation(s): 0
UniProt
Find proteins for A0A0A0RDR2 (Santalum album) Explore A0A0A0RDR2  Go to UniProtKB:  A0A0A0RDR2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SNE (Subject of Investigation/LOI)	B [auth A]	Sabinene C10 H16 NDVASEGYNIMXJL-UWVGGRQHSA-N
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.185 
• R-Value Work: 0.160 
• R-Value Observed: 0.161 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.76	α = 90
b = 139.484	β = 90
c = 111.178	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-06-19 
Deposition Author(s): Han, X., Ko, T.P., Liu, W.D., Chen, C.C., Guo, R.T.

Revision History  

• Version 1.0: 2019-06-19
  Type: Initial release
  
• Version 2.0: 2020-09-02
  Type: Coordinate replacement
  Reason: Model completeness
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Other, Refinement description, Structure summary
• Version 2.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description