2A6B

Crystal structure of a putative transcriptional regulator of the tena family (spr0628) from streptococcus pneumoniae r6 at 1.70 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2A6B/pdb

• Classification: TRANSCRIPTION
• Organism(s): Streptococcus pneumoniae R6
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-07-02 Released: 2005-08-16 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.175 
• R-Value Work: 0.155 

Literature

Crystal structure of (np_358222.1) from STREPTOCOCCUS PNEUMONIAE R6 at 1.70 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: 27.34 kDa 
• Atom Count: 2,017 
• Modelled Residue Count: 219 
• Deposited Residue Count: 234 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein spr0628	A	234	Streptococcus pneumoniae R6	Mutation(s): 0  Gene Names: np_358222.1
UniProt
Find proteins for Q8DQK6 (Streptococcus pneumoniae (strain ATCC BAA-255 / R6)) Explore Q8DQK6  Go to UniProtKB:  Q8DQK6

Small Molecules

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: 1.70 Å
• R-Value Free: 0.175 
• R-Value Work: 0.155 
• Space Group: P 4 2₁ 2
• Diffraction Data: https://doi.org/10.18430/M32A6B

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 119.908	α = 90
b = 119.908	β = 90
c = 47.105	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-08-16 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2005-08-16
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2023-01-25
  Changes: Database references, Derived calculations