3NQN | pdb_00003nqn

Crystal structure of a Protein with unknown function. (DR_2006) from DEINOCOCCUS RADIODURANS at 1.88 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3NQN/pdb

• Classification: Structural Genomics, Unknown Function
• Organism(s): Deinococcus radiodurans
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-06-29 Released: 2010-08-18 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 
  0.238 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.199 (Depositor) 

Literature

Crystal structure of a Protein with unknown function. (DR_2006) from DEINOCOCCUS RADIODURANS at 1.88 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: gel filtration

Macromolecule Content 

• Total Structure Weight: 33.84 kDa 
• Atom Count: 2,620 
• Modeled Residue Count: 301 
• Deposited Residue Count: 316 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
uncharacterized protein	A, B	158	Deinococcus radiodurans	Mutation(s): 0  Gene Names: DR_2006
UniProt
Find proteins for Q9RSW5 (Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1)) Explore Q9RSW5  Go to UniProtKB:  Q9RSW5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MRD	D [auth A], E [auth A], H [auth B]	(4R)-2-METHYLPENTANE-2,4-DIOL C6 H14 O2 SVTBMSDMJJWYQN-RXMQYKEDSA-N
CA	C [auth A], F [auth B], G [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-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: 1.88 Å
• R-Value Free:  0.238 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.199 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M33NQN

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.509	α = 90
b = 53.509	β = 90
c = 223.753	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: 2010-08-18 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2010-08-18
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, 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: 2024-11-27
  Changes: Data collection, Refinement description, Structure summary