8EPY | pdb_00008epy

The solution structure of abxF in complex with its product (-)-ABX, an enzyme catalyzing the formation of the chiral spiroketal of an anthrabenzoxocinone antibiotic, (-)-ABX

• PDB DOI: https://doi.org/10.2210/pdb8EPY/pdb
• BMRB: 31046

• Classification: BIOSYNTHETIC PROTEIN/ANTIBIOTIC
• Organism(s): Streptomyces sp.
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2022-10-06 Released: 2024-04-10 
• Deposition Author(s): Jia, X., Yan, X., Qu, X., Mobli, M.
• Funding Organization(s): Australian Research Council (ARC), National Science Foundation (NSF, China)

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: target function 

Literature

An enzymatic dual-oxa Diels–Alder reaction constructs the oxygen-bridged tricyclic acetal unit of (–)-anthrabenzoxocinone

Jia, X., Yan, X., Mobli, M., Qu, X.

(2025) Nat Chem 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: NMR Distance Restraints

Macromolecule Content 

• Total Structure Weight: 25.65 kDa 
• Atom Count: 1,807 
• Modeled Residue Count: 245 
• Deposited Residue Count: 245 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glyoxalase	A	245	Streptomyces sp.	Mutation(s): 0  Gene Names: abxF

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
WOZ (Subject of Investigation/LOI)	B [auth A]	(6R,16R)-3,11,13,15-tetrahydroxy-1,6,9,9-tetramethyl-6,7,9,16-tetrahydro-14H-6,16-epoxyanthra[2,3-e]benzo[b]oxocin-14-one C27 H24 O7 MDUGEFRGUDVHQH-BDYUSTAISA-N

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: target function 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-10 
Deposition Author(s): Jia, X., Yan, X., Qu, X., Mobli, M.

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Funding Organization	Location	Grant Number
Australian Research Council (ARC)	Australia	DP220103028
National Science Foundation (NSF, China)	China	1800048

Revision History  

• Version 1.0: 2024-04-10
  Type: Initial release
  
• Version 1.1: 2024-05-15
  Changes: Database references
• Version 2.0: 2025-02-12
  Type: Coordinate replacement
  Reason: Atomic clashes
  Changes: Atomic model, Data collection, Database references, Derived calculations, Refinement description, Structure summary
• Version 2.1: 2025-04-23
  Changes: Database references