8K0O

High resolution structure of Dehydroascorbate Reductase from Cenchrus Americanus in complex with Acetate in the G-site and Glycerol in the H-site

• PDB DOI: https://doi.org/10.2210/pdb8K0O/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Cenchrus americanus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-07-10 Released: 2024-07-10 
• Deposition Author(s): Khan, W.A., Arulandu, A.
• Funding Organization(s): Department of Science & Technology (DST, India), Department of Biotechnology (DBT, India)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.81 Å
• R-Value Free: 0.219 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 

Starting Model: experimental

Literature

High resolution structure of Dehydroascorbate Reductase from Pennisetum Americanum in complex with Acetate in the G-site and Glycerol in the H-site

Khan, W.A., Das, B.K., Arulandu, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 25.77 kDa 
• Atom Count: 1,848 
• Modelled Residue Count: 211 
• Deposited Residue Count: 233 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Dehydroascorbate reductase	A	233	Cenchrus americanus	Mutation(s): 0  EC: 1.8.5.1
UniProt
Find proteins for U5XYA0 (Cenchrus americanus) Explore U5XYA0  Go to UniProtKB:  U5XYA0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL (Subject of Investigation/LOI)	B [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT (Subject of Investigation/LOI)	C [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.81 Å
• R-Value Free: 0.219 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 
• Space Group: P 4₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.389	α = 90
b = 70.389	β = 90
c = 111.69	γ = 90

Software Package:

Software Name	Purpose
PDB-REDO	refinement
autoPROC	data reduction
autoPROC	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-10 
Deposition Author(s): Khan, W.A., Arulandu, A.

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Funding Organization	Location	Grant Number
Department of Science & Technology (DST, India)	India	EMR/2017/005066
Department of Biotechnology (DBT, India)	India	BT/PR28766/BRB/10/1701/2018
Department of Biotechnology (DBT, India)	India	BT/PR28080/BID/7/836/2018

Revision History  

• Version 1.0: 2024-07-10
  Type: Initial release