2GNP | pdb_00002gnp

Structural Genomics, the crystal structure of a transcriptional regulator from Streptococcus pneumoniae TIGR4

• PDB DOI: https://doi.org/10.2210/pdb2GNP/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Streptococcus pneumoniae TIGR4
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2006-04-10 Released: 2006-05-09 
• Deposition Author(s): Tan, K., Duggan, E., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 
  0.237 (Depositor), 0.234 (DCC) 
• R-Value Work: 
  0.193 (Depositor), 0.192 (DCC) 
• R-Value Observed: 
  0.196 (Depositor) 

Literature

The crystal structure of a transcriptional regulator from Streptococcus pneumoniae TIGR4

Tan, K., Duggan, E., Clancy, S., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 30.57 kDa 
• Atom Count: 2,387 
• Modeled Residue Count: 262 
• Deposited Residue Count: 266 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
transcriptional regulator	A	266	Streptococcus pneumoniae TIGR4	Mutation(s): 5
UniProt
Find proteins for A0A0H2UN73 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore A0A0H2UN73  Go to UniProtKB:  A0A0H2UN73

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	B [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

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: 1.65 Å
• R-Value Free:  0.237 (Depositor), 0.234 (DCC) 
• R-Value Work:  0.193 (Depositor), 0.192 (DCC) 
• R-Value Observed: 0.196 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.044	α = 90
b = 34.451	β = 101.53
c = 71.627	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKLSBC	data reduction
HKL-2000	data scaling
HKLSBC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-05-09 
Deposition Author(s): Tan, K., Duggan, E., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-05-09
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary