3NNR | pdb_00003nnr

Crystal structure of a TetR-family transcriptional regulator (Maqu_3571) from MARINOBACTER AQUAEOLEI VT8 at 2.49 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3NNR/pdb

• Classification: TRANSCRIPTION
• Organism(s): Marinobacter nauticus VT8
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-06-24 Released: 2010-07-28 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free: 
  0.260 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.230 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.232 (Depositor) 

Literature

Crystal structure of a TetR-family transcriptional regulator (Maqu_3571) from MARINOBACTER AQUAEOLEI VT8 at 2.49 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)

Macromolecule Content 

• Total Structure Weight: 27.09 kDa 
• Atom Count: 1,744 
• Modeled Residue Count: 203 
• Deposited Residue Count: 228 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator, TetR family	A	228	Marinobacter nauticus VT8	Mutation(s): 0  Gene Names: Maqu_3571
UniProt
Find proteins for A1U6M1 (Marinobacter nauticus (strain ATCC 700491 / DSM 11845 / VT8)) Explore A1U6M1  Go to UniProtKB:  A1U6M1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
UNL	B [auth A]	Unknown ligand QAOWNCQODCNURD-UHFFFAOYSA-L

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.49 Å
• R-Value Free:  0.260 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.230 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.232 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M33NNR

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.745	α = 90
b = 58.745	β = 90
c = 172.65	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-07-28 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2010-07-28
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2019-07-17
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations
• Version 1.5: 2024-10-30
  Changes: Data collection, Structure summary