3O2I

The crystal structure of a functionally unknown protein from Leptospirillum sp. Group II UBA

• PDB DOI: https://doi.org/10.2210/pdb3O2I/pdb

• Classification: Structural Genomics, Unknown function
• Organism(s): Leptospirillum rubarum
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2010-07-22 Released: 2010-09-22 
• Deposition Author(s): Zhang, R., Tan, K., Xu, X., Cui, H., Ng, J., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.251 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 

Literature

The crystal structure of a functionally unknown protein from Leptospirillum sp. Group II UBA

Zhang, R., Tan, K., Xu, X., Cui, H., Ng, J., Savchenko, A., Edwards, A., 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 and generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 44.34 kDa 
• Atom Count: 2,529 
• Modelled Residue Count: 282 
• Deposited Residue Count: 375 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A, B, C	125	Leptospirillum rubarum	Mutation(s): 0  Gene Names: UBAL2_80490115

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
DTT	D [auth B]	2,3-DIHYDROXY-1,4-DITHIOBUTANE C4 H10 O2 S2 VHJLVAABSRFDPM-IMJSIDKUSA-N
PEG	E [auth C]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.251 
• R-Value Work: 0.194 
• R-Value Observed: 0.197 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.485	α = 90
b = 91.63	β = 90
c = 171.779	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
ARP	model building
WARP	model building
HKL-3000	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-09-22 
Deposition Author(s): Zhang, R., Tan, K., Xu, X., Cui, H., Ng, J., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-09-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance