2IGS | pdb_00002igs

Crystal Structure of the Protein of Unknown Function from Pseudomonas aeruginosa

• PDB DOI: https://doi.org/10.2210/pdb2IGS/pdb

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


• Deposited: 2006-09-25 Released: 2006-10-24 
• Deposition Author(s): Kim, Y., Joachimiak, A., Skarina, T., Egorova, O., Edwards, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 
  0.250 (Depositor), 0.247 (DCC) 
• R-Value Work: 
  0.187 (Depositor) 
• R-Value Observed: 
  0.194 (Depositor) 

Literature

Crystal Structure of the Hypothetical Protein from Pseudomonas aeruginosa

Kim, Y., Joachimiak, A., Skarina, T., Egorova, O., Edwards, A., Savchenko, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 8-mer - A8 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 193.71 kDa 
• Atom Count: 15,080 
• Modeled Residue Count: 1,711 
• Deposited Residue Count: 1,752 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hypothetical protein	A, B, C, D, E, F, G, H	219	Pseudomonas aeruginosa	Mutation(s): 4
UniProt
Find proteins for Q9I1P7 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9I1P7  Go to UniProtKB:  Q9I1P7

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	AA [auth H], BA [auth H], CA [auth H], I [auth A], J [auth A], K [auth A], N [auth C], O [auth C], R [auth D], S [auth D], U [auth F], X [auth G], Y [auth G]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	T [auth D]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACY	DA [auth H], L [auth A], M [auth B], P [auth C], Q [auth C], V [auth F], W [auth F], Z [auth G]	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free:  0.250 (Depositor), 0.247 (DCC) 
• R-Value Work:  0.187 (Depositor) 
• R-Value Observed: 0.194 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.424	α = 90
b = 100.458	β = 100.33
c = 140.845	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-24 
Deposition Author(s): Kim, Y., Joachimiak, A., Skarina, T., Egorova, O., Edwards, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-10-24
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary