3LUA

Crystal structure of a Signal receiver domain of Two component Signal Transduction (Histidine Kinase) from Clostridium thermocellum

• PDB DOI: https://doi.org/10.2210/pdb3LUA/pdb

• Classification: Transcription regulator
• Organism(s): Acetivibrio thermocellus ATCC 27405
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-02-17 Released: 2010-03-23 
• Deposition Author(s): Satyanarayana, L., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.267 
• R-Value Work: 0.234 
• R-Value Observed: 0.234 

Literature

Crystal structure of a Signal receiver domain of Two component Signal Transduction (Histidine Kinase) from Clostridium thermocellum

Satyanarayana, L., Burley, S.K., Swaminathan, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 16.49 kDa 
• Atom Count: 1,074 
• Modelled Residue Count: 125 
• Deposited Residue Count: 140 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Response regulator receiver protein	A	140	Acetivibrio thermocellus ATCC 27405	Mutation(s): 0  Gene Names: 4809959, Cthe_3085
UniProt
Find proteins for A3DK02 (Acetivibrio thermocellus (strain ATCC 27405 / DSM 1237 / JCM 9322 / NBRC 103400 / NCIMB 10682 / NRRL B-4536 / VPI 7372)) Explore A3DK02  Go to UniProtKB:  A3DK02

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: 2.40 Å
• R-Value Free: 0.267 
• R-Value Work: 0.234 
• R-Value Observed: 0.234 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.1	α = 90
b = 94.1	β = 90
c = 68.009	γ = 120

Software Package:

Software Name	Purpose
CBASS	data collection
SHELXCD	phasing
SHARP	phasing
CNS	refinement
DENZO	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-03-23 
Deposition Author(s): Satyanarayana, L., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2010-03-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-11-16
  Changes: Atomic model
• Version 1.3: 2021-02-10
  Changes: Database references, Derived calculations, Structure summary