7BTJ | pdb_00007btj

Crystal structure of Pennisetum glaucum monodehydroascorbate reductase in complex with FADH2

• PDB DOI: https://doi.org/10.2210/pdb7BTJ/pdb

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


• Deposited: 2020-04-01 Released: 2021-04-07 
• Deposition Author(s): Sonkar, K.S., Achary, M.M., Reddy, M.K., Arulandu, A.
• Funding Organization(s): Department of Biotechnology (DBT, India)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.37 Å
• R-Value Free: 
  0.243 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.186 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.189 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Pennisetum glaucum monodehydroascorbate reductase

Sonkar, K.S., Arulandu, A., Achary, M.M., Reddy, M.K.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

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

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 193.18 kDa 
• Atom Count: 13,788 
• Modelled Residue Count: 1,728 
• Deposited Residue Count: 1,740 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pennisetum glaucum monodehydroascorbate reductase	A, B, C, D	435	Cenchrus americanus	Mutation(s): 0  Gene Names: MDHAR EC: 1.6.5.4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FDA (Subject of Investigation/LOI)	F [auth A], H [auth B], J [auth C], L [auth D]	DIHYDROFLAVINE-ADENINE DINUCLEOTIDE C27 H35 N9 O15 P2 YPZRHBJKEMOYQH-UYBVJOGSSA-N
NAD	E [auth A], G [auth B], I [auth C], K [auth D]	NICOTINAMIDE-ADENINE-DINUCLEOTIDE C21 H27 N7 O14 P2 BAWFJGJZGIEFAR-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.37 Å
• R-Value Free:  0.243 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.186 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.189 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m37btj

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.73	α = 96.39
b = 79.118	β = 97.27
c = 90.687	γ = 111.92

Software Package:

Software Name	Purpose
BUSTER	refinement
PDB_EXTRACT	data extraction
ARP/wARP	model building
BALBES	phasing
PHENIX	model building
autoPROC	data reduction
autoPROC	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-04-07 
Deposition Author(s): Sonkar, K.S., Achary, M.M., Reddy, M.K., Arulandu, A.

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Funding Organization	Location	Grant Number
Department of Biotechnology (DBT, India)	India	No.BT/PR18774/BIC/101/454/2016

Revision History  

• Version 1.0: 2021-04-07
  Type: Initial release
  
• Version 2.0: 2022-09-07
  Type: Coordinate replacement
  Reason: Ligand identity
  Changes: Advisory, Atomic model, Author supporting evidence, Data collection, Database references, Derived calculations, Non-polymer description, Refinement description, Structure summary
• Version 2.1: 2023-11-29
  Changes: Data collection, Refinement description