9E6M | pdb_00009e6m

Crystal structure of the G200R mutant from the maize chloroplastic photosynthetic NADP(+)-dependent malic enzyme

• PDB DOI: https://doi.org/10.2210/pdb9E6M/pdb

• Classification: PHOTOSYNTHESIS
• Organism(s): Zea mays
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2024-10-30 Released: 2025-01-15 
• Deposition Author(s): Klinke, S., Schneberger, N., Boehm, J.M., Willms, S., Hagelueken, G., Geyer, M., Maurino, V., Alvarez, C.E.
• Funding Organization(s): German Research Foundation (DFG), Agencia Nacional de Promocion Cientifica y Tecnologica (FONCYT)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.296 (Depositor), 0.302 (DCC) 
• R-Value Work: 
  0.239 (Depositor), 0.252 (DCC) 
• R-Value Observed: 
  0.242 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of the G200R mutant from the maize chloroplastic photosynthetic NADP(+)-dependent malic enzyme

Klinke, S., Schneberger, N., Boehm, J.M., Willms, S., Hagelueken, G., Geyer, M., Maurino, V., Alvarez, C.E.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 255.51 kDa 
• Atom Count: 17,498 
• Modelled Residue Count: 2,235 
• Deposited Residue Count: 2,304 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Malic enzyme	A, B, C, D	576	Zea mays	Mutation(s): 1  EC: 1.1.1.40
UniProt
Find proteins for P16243 (Zea mays) Explore P16243  Go to UniProtKB:  P16243

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PYR (Subject of Investigation/LOI)	E [auth A], F [auth A], G [auth B], H [auth C], I [auth C], J [auth D]	PYRUVIC ACID C3 H4 O3 LCTONWCANYUPML-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.296 (Depositor), 0.302 (DCC) 
• R-Value Work:  0.239 (Depositor), 0.252 (DCC) 
• R-Value Observed: 0.242 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.679	α = 90
b = 124.161	β = 90
c = 189.472	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MxCuBE	data collection
XDS	data reduction
Aimless	data scaling
MrBUMP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-01-15 
Deposition Author(s): Klinke, S., Schneberger, N., Boehm, J.M., Willms, S., Hagelueken, G., Geyer, M., Maurino, V., Alvarez, C.E.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	Grant MA2379/20-1 to VM
Agencia Nacional de Promocion Cientifica y Tecnologica (FONCYT)	Argentina	PICT-2019-00079

Revision History  

• Version 1.0: 2025-01-15
  Type: Initial release