2HPV

Crystal structure of FMN-Dependent azoreductase from Enterococcus faecalis

• PDB DOI: https://doi.org/10.2210/pdb2HPV/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Enterococcus faecalis
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-07-17 Released: 2006-09-12 
• Deposition Author(s): Liu, Z.J., Chen, L., Chen, H., Rose, J., Wang, B.C., Southeast Collaboratory for Structural Genomics (SECSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.250 
• R-Value Work: 0.199 
• R-Value Observed: 0.202 

Literature

Crystal Structure of Fmn-Dependent Azoreductase from Enterococcus faecalis at 2.00 A resolution

Liu, Z.J., Chen, H., Chen, L., Shah, N., Rose, J.P., Wang, B.C.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 95.56 kDa 
• Atom Count: 7,142 
• Modelled Residue Count: 828 
• Deposited Residue Count: 832 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FMN-dependent NADH-azoreductase	A, B, C, D	208	Enterococcus faecalis	Mutation(s): 4  Gene Names: azoR, azoA EC: 1.7 (PDB Primary Data), 1.6.5 (UniProt), 1.7.1.17 (UniProt)
UniProt
Find proteins for Q831B2 (Enterococcus faecalis (strain ATCC 700802 / V583)) Explore Q831B2  Go to UniProtKB:  Q831B2

Small Molecules

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

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.250 
• R-Value Work: 0.199 
• R-Value Observed: 0.202 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.038	α = 90
b = 99.629	β = 90
c = 106.737	γ = 90

Software Package:

Software Name	Purpose
Sca2Structure	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SCA2STRUCTURE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-09-12 
Deposition Author(s): Liu, Z.J., Chen, L., Chen, H., Rose, J., Wang, B.C., Southeast Collaboratory for Structural Genomics (SECSG)

Revision History  

• Version 1.0: 2006-09-12
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-09-13
  Changes: Refinement description
• Version 1.4: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary