2IAZ | pdb_00002iaz

Crystal structure of a Conserved Protein of Unknown Function SP1372 from Streptococcus pneumoniae

• PDB DOI: https://doi.org/10.2210/pdb2IAZ/pdb

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


• Deposited: 2006-09-08 Released: 2006-10-10 
• Deposition Author(s): Zhang, R., Bigelow, L., Abdullah, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 
  0.289 (Depositor), 0.295 (DCC) 
• R-Value Work: 
  0.229 (Depositor), 0.234 (DCC) 
• R-Value Observed: 
  0.232 (Depositor) 

Literature

The crystal structure of a conserved hypothetical protein SP1372 from Streptococcus pneumoniae

Zhang, R., Bigelow, L., Abdullah, J., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (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: 50.67 kDa 
• Atom Count: 3,543 
• Modeled Residue Count: 441 
• Deposited Residue Count: 452 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein SP1372	A, B, C, D	113	Streptococcus pneumoniae TIGR4	Mutation(s): 3  Gene Names: SP1372
UniProt
Find proteins for Q97Q59 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore Q97Q59  Go to UniProtKB:  Q97Q59

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free:  0.289 (Depositor), 0.295 (DCC) 
• R-Value Work:  0.229 (Depositor), 0.234 (DCC) 
• R-Value Observed: 0.232 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.808	α = 90
b = 86.715	β = 90
c = 93.881	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-10 
Deposition Author(s): Zhang, R., Bigelow, L., Abdullah, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-10-10
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary