4O5A

The crystal structure of a LacI family transcriptional regulator from Bifidobacterium animalis subsp. lactis DSM 10140

• PDB DOI:  https://doi.org/10.2210/pdb4O5A/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Bifidobacterium animalis subsp. lactis DSM 10140
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-12-19 Released: 2014-01-15 
• Deposition Author(s): Tan, K., Li, H., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.196 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 

Literature

The crystal structure of a LacI family transcriptional regulator from Bifidobacterium animalis subsp. lactis DSM 10140.

Tan, K., Li, H., Endres, M., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 38.29 kDa 
• Atom Count: 2,311 
• Modelled Residue Count: 271 
• Deposited Residue Count: 345 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
LacI family transcription regulator	A	345	Bifidobacterium animalis subsp. lactis DSM 10140	Mutation(s): 0  Gene Names: Balat_0153

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	E [auth A], F [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	B [auth A], C [auth A], D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET
OCS	A	L-PEPTIDE LINKING	C3 H7 N O5 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.196 
• R-Value Work: 0.166 
• R-Value Observed: 0.167 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.214	α = 90
b = 88.913	β = 94.65
c = 60.524	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: 2014-01-15 
Deposition Author(s): Tan, K., Li, H., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2014-01-15
  Type: Initial release