3LEQ

The Crystal Structure of the Roadblock/LC7 domain from Streptomyces avermitillis to 1.85A

• PDB DOI: https://doi.org/10.2210/pdb3LEQ/pdb

• Classification: structure genomics, unknown function
• Organism(s): Streptomyces avermitilis MA-4680 = NBRC 14893
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-01-15 Released: 2010-02-02 
• Deposition Author(s): Stein, A.J., Xu, X., Cui, H., Ng, J., Edwards, A., Savchenko, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.236 
• R-Value Work: 0.216 
• R-Value Observed: 0.217 

Literature

The Crystal Structure of the Roadblock/LC7 domain from Streptomyces avermitillis to 1.85A

Stein, A.J., Xu, X., Cui, H., Ng, J., Edwards, A., Savchenko, A., Joachimiak, A.

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 - 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: 13.56 kDa 
• Atom Count: 773 
• Modelled Residue Count: 102 
• Deposited Residue Count: 126 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
uncharacterized protein cvnB5	A	126	Streptomyces avermitilis MA-4680 = NBRC 14893	Mutation(s): 0  Gene Names: cvnB5, SAV2189, SAV_2189
UniProt
Find proteins for Q82L23 (Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680)) Explore Q82L23  Go to UniProtKB:  Q82L23

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: 1.85 Å
• R-Value Free: 0.236 
• R-Value Work: 0.216 
• R-Value Observed: 0.217 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 89.466	α = 90
b = 29.824	β = 104.89
c = 40.752	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELX	phasing
MLPHARE	phasing
DM	phasing
ARP/wARP	model building
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-02-02 
Deposition Author(s): Stein, A.J., Xu, X., Cui, H., Ng, J., Edwards, A., Savchenko, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-02-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2012-02-22
  Changes: Structure summary
• Version 1.3: 2017-11-01
  Changes: Refinement description