8HZ4

The tetrameric structure of biotin carboxylase from Chloroflexus aurantiacus in complex with bicarbonate

• PDB DOI: https://doi.org/10.2210/pdb8HZ4/pdb

• Classification: LIGASE
• Organism(s): Chloroflexus aurantiacus J-10-fl
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-01-08 Released: 2024-01-10 
• Deposition Author(s): Shen, J., Wu, W., Xu, X.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.244 
• R-Value Work: 0.212 
• R-Value Observed: 0.214 

Literature

The tetrameric structure of biotin carboxylase from Chloroflexus aurantiacus in complex with bicarbonate

Shen, J., Wu, W., Xu, X.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 8-mer - A4B4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: equilibrium centrifugation

Macromolecule Content

• Total Structure Weight: 262.37 kDa 
• Atom Count: 14,386 
• Modelled Residue Count: 1,864 
• Deposited Residue Count: 2,424 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Biotin carboxylase	A, B, C, D	469	Chloroflexus aurantiacus J-10-fl	Mutation(s): 0  Gene Names: Caur_1378 EC: 6.3.4.14
UniProt
Find proteins for A9W9X0 (Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl)) Explore A9W9X0  Go to UniProtKB:  A9W9X0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Biotin carboxylase	E, F, G, H	137	Chloroflexus aurantiacus J-10-fl	Mutation(s): 0  Gene Names: Caur_1378 EC: 6.3.4.14
UniProt
Find proteins for A9W9X0 (Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl)) Explore A9W9X0  Go to UniProtKB:  A9W9X0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.20 Å
• R-Value Free: 0.244 
• R-Value Work: 0.212 
• R-Value Observed: 0.214 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 128.528	α = 90
b = 126.224	β = 106.44
c = 132.192	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data scaling
HKL-3000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-01-10 
Deposition Author(s): Shen, J., Wu, W., Xu, X.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31870740, 32171227, 31570738, 32000034, 82101628

Revision History  

• Version 1.0: 2024-01-10
  Type: Initial release
  
• Version 2.0: 2024-03-20
  Changes: Atomic model, Author supporting evidence, Data collection, Derived calculations, Non-polymer description, Structure summary