4M4G | pdb_00004m4g

Crystal structure of ligand binding domain of CysB, a LysR member from Salmonella typhimurium LT2 in complex with effector ligand, N-acetylserine.

• PDB DOI: https://doi.org/10.2210/pdb4M4G/pdb

• Classification: GENE REGULATION
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-08-07 Released: 2014-08-13 
• Deposition Author(s): Mittal, M., Singh, A.K., Kumaran, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.276 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.219 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.222 (Depositor) 

Literature

Crystal structure of ligand binding domain of CysB, a LysR member from Salmonella typhimurium LT2 in complex with effector ligand, N-acetylserine

Mittal, M., Singh, A.K., Kumaran, S.

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)

Macromolecule Content 

• Total Structure Weight: 27.92 kDa 
• Atom Count: 1,866 
• Modeled Residue Count: 239 
• Deposited Residue Count: 245 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HTH-type transcriptional regulator CysB	A	245	Salmonella enterica subsp. enterica serovar Typhimurium str. LT2	Mutation(s): 0  Gene Names: cysB, STM1713
UniProt
Find proteins for P06614 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore P06614  Go to UniProtKB:  P06614

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAC	B [auth A], C [auth A]	N-ACETYL-SERINE C5 H9 N O4 JJIHLJJYMXLCOY-BYPYZUCNSA-N
PEG	D [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.276 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.219 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.222 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.736	α = 90
b = 74.3	β = 90
c = 104.732	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-08-13 
Deposition Author(s): Mittal, M., Singh, A.K., Kumaran, S.

Revision History  

• Version 1.0: 2014-08-13
  Type: Initial release
  
• Version 1.1: 2024-03-20
  Changes: Data collection, Database references, Derived calculations