4CE0

Crystal Structure of SAH-bound Spinosyn Rhamnosyl 4'-O- Methyltransferase SpnH from Saccharopolyspora spinosa

• PDB DOI: https://doi.org/10.2210/pdb4CE0/pdb

• Classification: TRANSFERASE
• Organism(s): Saccharopolyspora spinosa
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2013-11-08 Released: 2014-11-26 
• Deposition Author(s): Lin, Y.-C., Huang, S.-P., Huang, B.-L., Chen, Y.-H., Chen, Y.-J., Chiu, H.-T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.227 
• R-Value Work: 0.170 
• R-Value Observed: 0.176 

Literature

Crystal Structure and Functional Insights of Spinosyn Rhamnosyl 4'-O-Methyltransferase Spnh from Saccharopolyspora Spinosa

Lin, Y.-C., Huang, S.-P., Huang, B.-L., Chen, Y.-H., Lin, T.-Y., Chen, Y.-J., Chiu, H.-T.

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: 29.56 kDa 
• Atom Count: 1,804 
• Modelled Residue Count: 213 
• Deposited Residue Count: 258 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
O-METHYLTRANSFERASE	A	258	Saccharopolyspora spinosa	Mutation(s): 0
UniProt
Find proteins for Q9ALM9 (Saccharopolyspora spinosa) Explore Q9ALM9  Go to UniProtKB:  Q9ALM9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	B [auth A]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.227 
• R-Value Work: 0.170 
• R-Value Observed: 0.176 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.21	α = 90
b = 72.798	β = 106.05
c = 61.793	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-11-26 
Deposition Author(s): Lin, Y.-C., Huang, S.-P., Huang, B.-L., Chen, Y.-H., Chen, Y.-J., Chiu, H.-T.

Revision History  

• Version 1.0: 2014-11-26
  Type: Initial release
  
• Version 2.0: 2023-12-20
  Changes: Atomic model, Data collection, Database references, Derived calculations, Other, Refinement description