1PG6

X-Ray Crystal Structure of Protein SPYM3_0169 from Streptococcus pyogenes. Northeast Structural Genomics Consortium Target DR2.

• PDB DOI: https://doi.org/10.2210/pdb1PG6/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Streptococcus pyogenes MGAS8232
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2003-05-27 Released: 2003-12-02 
• Deposition Author(s): Kuzin, A., Lee, I., Edstrom, W., Xiao, R., Acton, T., Rost, B., Montelione, G., Hunt, J., Tong, L., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.244 (Depositor), 0.252 (DCC) 
• R-Value Work: 
  0.213 (Depositor), 0.223 (DCC) 
• R-Value Observed: 
  0.213 (Depositor) 

Literature

X-ray structure of hypothetical protein SPYM3_0169 from Streptococcus pyogenes

Kuzin, A., Lee, I., Edstrom, W., Xiao, R., Acton, T., Rost, B., Montelione, G., Hunt, J., Tong, L.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 27.06 kDa 
• Atom Count: 1,834 
• Modelled Residue Count: 216 
• Deposited Residue Count: 243 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein SpyM3_0169	A	243	Streptococcus pyogenes MGAS8232	Mutation(s): 11  Gene Names: SPS0176

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A], C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-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: 1.70 Å
• R-Value Free:  0.244 (Depositor), 0.252 (DCC) 
• R-Value Work:  0.213 (Depositor), 0.223 (DCC) 
• R-Value Observed: 0.213 (Depositor) 

Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.541	α = 90
b = 71.541	β = 90
c = 216.927	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-12-02 
Deposition Author(s): Kuzin, A., Lee, I., Edstrom, W., Xiao, R., Acton, T., Rost, B., Montelione, G., Hunt, J., Tong, L., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2003-12-02
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Source and taxonomy, Version format compliance
• Version 1.3: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary