7W1X

Crystal structure of AKR4C16 bound with NADPH

• PDB DOI: https://doi.org/10.2210/pdb7W1X/pdb

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


• Deposited: 2021-11-21 Released: 2022-07-06 
• Deposition Author(s): Li, H., Yang, Y., Hu, Y., Chen, C.-C., Huang, J.-W., Min, J., Dai, L., Guo, R.-T.
• Funding Organization(s): National Science Foundation (NSF, China)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.259 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 

Literature

Structural analysis and engineering of aldo-keto reductase from glyphosate-resistant Echinochloa colona

Li, H., Yang, Y., Hu, Y., Chen, C.C., Huang, J.W., Min, J., Dai, L., Guo, R.T.

(2022) J Hazard Mater 436: 129191

• DOI: https://doi.org/10.1016/j.jhazmat.2022.129191

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)

Macromolecule Content

• Total Structure Weight: 72.1 kDa 
• Atom Count: 5,480 
• Modelled Residue Count: 616 
• Deposited Residue Count: 642 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AKR4-1	A, B	321	Echinochloa colona	Mutation(s): 0
UniProt
Find proteins for A0A5J6VMF4 (Echinochloa colona) Explore A0A5J6VMF4  Go to UniProtKB:  A0A5J6VMF4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NDP (Subject of Investigation/LOI)	C [auth A], D [auth B]	NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H30 N7 O17 P3 ACFIXJIJDZMPPO-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.259 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.716	α = 90
b = 81.782	β = 104.11
c = 68.741	γ = 90

Software Package:

Software Name	Purpose
SAINT	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SAINT	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-07-06 
Deposition Author(s): Li, H., Yang, Y., Hu, Y., Chen, C.-C., Huang, J.-W., Min, J., Dai, L., Guo, R.-T.

---

Funding Organization	Location	Grant Number
National Science Foundation (NSF, China)	China	2021YFC2100300

Revision History  

• Version 1.0: 2022-07-06
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description