8BPP

crystal structure of N-ethylmaleimide reductase (nemA) from Escherichia coli

• PDB DOI: https://doi.org/10.2210/pdb8BPP/pdb

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


• Deposited: 2022-11-17 Released: 2024-02-28 
• Deposition Author(s): Pfister, P., Tinzl, M., Erb, T.
• Funding Organization(s): Max Planck Society, European Research Council (ERC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.263 
• R-Value Work: 0.230 
• R-Value Observed: 0.232 

Literature

Development of the Biocatalytic Reductive Aldol Reaction

Tinzl, M., Stoffel, G.M.M., Saez, D.A., Gerlinger, P.D., Recabarren, R., Bradley, T., Westedt, H., Pfister, P., Gomez, A., Ebert, M.O., Voehringer-Martinez, E., Erb, T.J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Macromolecule Content

• Total Structure Weight: 120.06 kDa 
• Atom Count: 8,436 
• Modelled Residue Count: 1,086 
• Deposited Residue Count: 1,095 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
N-ethylmaleimide reductase	A, B, C	365	Escherichia coli	Mutation(s): 0  Gene Names: nemA, ydhN, b1650, JW1642 EC: 1.3.1
UniProt
Find proteins for P77258 (Escherichia coli (strain K12)) Explore P77258  Go to UniProtKB:  P77258

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMN (Subject of Investigation/LOI)	D [auth A], E [auth B], F [auth C]	FLAVIN MONONUCLEOTIDE C17 H21 N4 O9 P FVTCRASFADXXNN-SCRDCRAPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.263 
• R-Value Work: 0.230 
• R-Value Observed: 0.232 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 128.488	α = 90
b = 142.069	β = 107.02
c = 87.871	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-02-28 
Deposition Author(s): Pfister, P., Tinzl, M., Erb, T.

---

Funding Organization	Location	Grant Number
Max Planck Society	Germany	190003
European Research Council (ERC)	European Union	637675

Revision History  

• Version 1.0: 2024-02-28
  Type: Initial release