3GE6

CRYSTAL STRUCTURE OF A PUTATIVE NITROREDUCTASE IN COMPLEX WITH FMN (EXIG_2970) FROM EXIGUOBACTERIUM SIBIRICUM 255-15 AT 1.85 A RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb3GE6/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Exiguobacterium sibiricum 255-15
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-02-25 Released: 2009-03-10 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.213 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 

Literature

Crystal structure of putative nitroreductase in complex with FMN (YP_001815433.1) from EXIGUOBACTERIUM SP. 255-15 at 1.85 A resolution

Joint Center for Structural Genomics (JCSG)

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 (software)

Biological Assembly Evidence: light scattering

Macromolecule Content

• Total Structure Weight: 48.89 kDa 
• Atom Count: 3,862 
• Modelled Residue Count: 420 
• Deposited Residue Count: 424 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nitroreductase	A, B	212	Exiguobacterium sibiricum 255-15	Mutation(s): 0  Gene Names: Exig_2970, YP_001815433.1
UniProt
Find proteins for B1YG32 (Exiguobacterium sibiricum (strain DSM 17290 / CCUG 55495 / CIP 109462 / JCM 13490 / 255-15)) Explore B1YG32  Go to UniProtKB:  B1YG32

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FMN	C [auth A], D [auth B]	FLAVIN MONONUCLEOTIDE C17 H21 N4 O9 P FVTCRASFADXXNN-SCRDCRAPSA-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: 1.85 Å
• R-Value Free: 0.213 
• R-Value Work: 0.169 
• R-Value Observed: 0.171 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/M33GE6

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.97	α = 90
b = 81.3	β = 90
c = 93.79	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-03-10 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2009-03-10
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations
• Version 1.5: 2024-11-06
  Changes: Data collection, Refinement description, Structure summary