8JG2

Crystal structure of a biosynthetic thiolase from Megasphaera hexanoica soaked with hexanoyl-CoA

• PDB DOI: https://doi.org/10.2210/pdb8JG2/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Megasphaera hexanoica
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2023-05-19 Released: 2024-05-08 
• Deposition Author(s): Kim, E.-J., Seo, H., Kim, K.-J.
• Funding Organization(s): National Research Foundation (NRF, Korea)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.64 Å
• R-Value Free: 0.236 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Starting Model: experimental

Literature

Crystal structure of biosynthetic thiolase from Megasphaera hexanoica

Jeon, B.S., Kim, E.-J., Kim, K.-J., Sang, B.-I.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 93.84 kDa 
• Atom Count: 6,536 
• Modelled Residue Count: 786 
• Deposited Residue Count: 868 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetyl-CoA C-acetyltransferase	A, B	434	Megasphaera hexanoica	Mutation(s): 1  Gene Names: HF872_02440
UniProt
Find proteins for A0A848BQU5 (Megasphaera hexanoica) Explore A0A848BQU5  Go to UniProtKB:  A0A848BQU5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
COA (Subject of Investigation/LOI)	C [auth A], E [auth B]	COENZYME A C21 H36 N7 O16 P3 S RGJOEKWQDUBAIZ-IBOSZNHHSA-N
ACT (Subject of Investigation/LOI)	D [auth A], F [auth B]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.64 Å
• R-Value Free: 0.236 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.505	α = 90
b = 111.443	β = 90
c = 140.996	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
XDS	data reduction
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-08 
Deposition Author(s): Kim, E.-J., Seo, H., Kim, K.-J.

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Funding Organization	Location	Grant Number
National Research Foundation (NRF, Korea)	Korea, Republic Of	--

Revision History  

• Version 1.0: 2024-05-08
  Type: Initial release