4M0C | pdb_00004m0c

The crystal structure of a FMN-dependent NADH-azoreductase from Bacillus anthracis str. Ames Ancestor in complex with FMN.

• PDB DOI: https://doi.org/10.2210/pdb4M0C/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Bacillus anthracis str. 'Ames Ancestor
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-08-01 Released: 2013-08-14 
• Deposition Author(s): Tan, K., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 
  0.224 (Depositor), 0.222 (DCC) 
• R-Value Work: 
  0.176 (Depositor), 0.176 (DCC) 
• R-Value Observed: 
  0.178 (Depositor) 

Starting Model: experimental

Literature

The crystal structure of a FMN-dependent NADH-azoreductase from Bacillus anthracis str. Ames Ancestor in complex with FMN.

Tan, K., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 53.29 kDa 
• Atom Count: 3,551 
• Modeled Residue Count: 422 
• Deposited Residue Count: 446 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FMN-dependent NADH-azoreductase 1	A, B	223	Bacillus anthracis str. 'Ames Ancestor	Mutation(s): 0  Gene Names: azoR1, BAS0908, BA_0966, GBAA_0966 EC: 1.7 (PDB Primary Data), 1.6.5 (UniProt), 1.7.1.17 (UniProt)
UniProt
Find proteins for Q81UB2 (Bacillus anthracis) Explore Q81UB2  Go to UniProtKB:  Q81UB2

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMN	C [auth A], F [auth B]	FLAVIN MONONUCLEOTIDE C17 H21 N4 O9 P FVTCRASFADXXNN-SCRDCRAPSA-N
GOL	E [auth A], I [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	D [auth A], G [auth B], H [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free:  0.224 (Depositor), 0.222 (DCC) 
• R-Value Work:  0.176 (Depositor), 0.176 (DCC) 
• R-Value Observed: 0.178 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.483	α = 90
b = 88.709	β = 90
c = 98.04	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
MOLREP	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-08-14 
Deposition Author(s): Tan, K., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2013-08-14
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2023-12-06
  Changes: Data collection
• Version 1.3: 2024-11-27
  Changes: Structure summary