2GUK | pdb_00002guk

Crystal Structure of the Conserved Protein of Unknown Function from Porphyromonas gingivalis

• PDB DOI: https://doi.org/10.2210/pdb2GUK/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Porphyromonas gingivalis W83
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2006-05-01 Released: 2006-05-30 
• Deposition Author(s): Kim, Y., Quartey, P., Moy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.91 Å
• R-Value Free: 
  0.281 (Depositor), 0.277 (DCC) 
• R-Value Work: 
  0.233 (Depositor), 0.231 (DCC) 
• R-Value Observed: 
  0.237 (Depositor) 

Literature

Crystal Structure of the Conserved Hypothetical Protein from Porphyromonas gingivalis

Kim, Y., Quartey, P., Moy, S., 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.

Macromolecule Content 

• Total Structure Weight: 28.39 kDa 
• Atom Count: 2,042 
• Modeled Residue Count: 223 
• Deposited Residue Count: 240 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein PG1857	A, B	120	Porphyromonas gingivalis W83	Mutation(s): 5  Gene Names: PG1587, GeneID:2551814
UniProt
Find proteins for Q7MTT4 (Porphyromonas gingivalis (strain ATCC BAA-308 / W83)) Explore Q7MTT4  Go to UniProtKB:  Q7MTT4

Small Molecules

Modified Residues  1 Unique
ID	Chains	Modified Residue	Modification Type	Formula	2D Diagram
MSE	A, B	MET	Selenomethionine	C5 H11 N O2 Se

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.91 Å
• R-Value Free:  0.281 (Depositor), 0.277 (DCC) 
• R-Value Work:  0.233 (Depositor), 0.231 (DCC) 
• R-Value Observed: 0.237 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.028	α = 90
b = 50.028	β = 90
c = 186.912	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing
MLPHARE	phasing
RESOLVE	phasing
SHELXE	model building
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-05-30 
Deposition Author(s): Kim, Y., Quartey, P., Moy, S., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-05-30
  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: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary