2PN2 | pdb_00002pn2

CRYSTAL STRUCTURE OF A PUTATIVE OSMOTIC STRESS INDUCED AND DETOXIFICATION RESPONSE PROTEIN (PSYC_0566) FROM PSYCHROBACTER ARCTICUS 273-4 AT 2.15 A RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb2PN2/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Psychrobacter arcticus 273-4
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2007-04-23 Released: 2007-05-08 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 
  0.242 (Depositor), 0.253 (DCC) 
• R-Value Work: 
  0.195 (Depositor), 0.201 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Literature

Crystal structure of uncharacterized protein (YP_263861.1) from Psychrobacter arcticus 273-4 at 2.15 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,PQS (software)

Biological Assembly Evidence: gel filtration, light scattering

Macromolecule Content 

• Total Structure Weight: 17.63 kDa 
• Atom Count: 1,125 
• Modeled Residue Count: 137 
• Deposited Residue Count: 155 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A	155	Psychrobacter arcticus 273-4	Mutation(s): 4  Gene Names: YP_263861.1, Psyc_0566
UniProt
Find proteins for Q4FU81 (Psychrobacter arcticus (strain DSM 17307 / VKM B-2377 / 273-4)) Explore Q4FU81  Go to UniProtKB:  Q4FU81

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	B [auth A], C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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: 1.95 Å
• R-Value Free:  0.242 (Depositor), 0.253 (DCC) 
• R-Value Work:  0.195 (Depositor), 0.201 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M32PN2

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.243	α = 90
b = 57.39	β = 90
c = 103.398	γ = 90

Software Package:

Software Name	Purpose
MolProbity	model building
SHELX	phasing
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
CCP4	data scaling
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-05-08 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2007-05-08
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2017-10-25
  Changes: Author supporting evidence
• Version 1.5: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.6: 2024-11-06
  Changes: Data collection, Structure summary