4QL5

Crystal structure of translation initiation factor IF-1 from Streptococcus pneumoniae TIGR4

• PDB DOI: https://doi.org/10.2210/pdb4QL5/pdb

• Classification: TRANSLATION
• Organism(s): Streptococcus pneumoniae TIGR4
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-06-10 Released: 2014-07-02 
• Deposition Author(s): Stogios, P.J., Wawrzak, Z., Onopriyenko, O., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free: 0.209 
• R-Value Work: 0.189 
• R-Value Observed: 0.190 

Literature

Crystal structure of translation initiation factor IF-1 from Streptococcus pneumoniae TIGR4

Stogios, P.J., Wawrzak, Z., Onopriyenko, O., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 16.83 kDa 
• Atom Count: 1,205 
• Modelled Residue Count: 134 
• Deposited Residue Count: 146 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Translation initiation factor IF-1	A, B	73	Streptococcus pneumoniae TIGR4	Mutation(s): 0  Gene Names: infA, S1_IF1, SP_0232
UniProt
Find proteins for P65121 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore P65121  Go to UniProtKB:  P65121

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	C [auth A], D [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
ACT	F [auth B]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free: 0.209 
• R-Value Work: 0.189 
• R-Value Observed: 0.190 
• Space Group: P 4₁ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/m34ql5

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.636	α = 90
b = 83.636	β = 90
c = 50.575	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data collection
PHENIX	model building
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-07-02 
Deposition Author(s): Stogios, P.J., Wawrzak, Z., Onopriyenko, O., Savchenko, A., Anderson, W.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2014-07-02
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations