2HNG | pdb_00002hng

The Crystal Structure of Protein of Unknown Function SP1558 from Streptococcus pneumoniae

• PDB DOI: https://doi.org/10.2210/pdb2HNG/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Streptococcus pneumoniae TIGR4
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2006-07-12 Released: 2006-08-15 
• Deposition Author(s): Kim, Y., Zhang, D., Zhou, M., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.63 Å
• R-Value Free: 
  0.231 (Depositor), 0.236 (DCC) 
• R-Value Work: 
  0.189 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.193 (Depositor) 

Literature

The Crystal Structure of Hypothetical Protein SP_1558 from Streptococcus pneumoniae

Kim, Y., Zhang, D., Zhou, M., Clancy, S., Joachimiak, A.

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.

Macromolecule Content 

• Total Structure Weight: 14.84 kDa 
• Atom Count: 1,350 
• Modeled Residue Count: 125 
• Deposited Residue Count: 127 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein	A	127	Streptococcus pneumoniae TIGR4	Mutation(s): 3  Gene Names: SP_1558
UniProt
Find proteins for A0A0H2UQV3 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore A0A0H2UQV3  Go to UniProtKB:  A0A0H2UQV3

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: 1.63 Å
• R-Value Free:  0.231 (Depositor), 0.236 (DCC) 
• R-Value Work:  0.189 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.193 (Depositor) 

Space Group: P 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.03	α = 90
b = 42.581	β = 90
c = 72.379	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
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: 2006-08-15 
Deposition Author(s): Kim, Y., Zhang, D., Zhou, M., Clancy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-08-15
  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: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary