6VBF

1.85 Angstrom Resolution Crystal Structure of N-terminal Domain of Two-component System Response Regulator from Acinetobacter baumannii

• PDB DOI: https://doi.org/10.2210/pdb6VBF/pdb

• Classification: TRANSCRIPTION
• Organism(s): Acinetobacter baumannii
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2019-12-18 Released: 2019-12-25 
• Deposition Author(s): Minasov, G., Shuvalova, L., Kiryukhina, O., Wiersum, G., Satchell, K.J.F., Center for Structural Genomics of Infectious Diseases (CSGID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.216 
• R-Value Work: 0.178 

Literature

1.85 Angstrom Resolution Crystal Structure of N-terminal Domain of Two-component System Response Regulator from Acinetobacter baumannii

Minasov, G., Shuvalova, L., Kiryukhina, O., Wiersum, G., Satchell, K.J.F., Center for Structural Genomics of Infectious Diseases (CSGID)

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: 29.2 kDa 
• Atom Count: 2,128 
• Modelled Residue Count: 240 
• Deposited Residue Count: 252 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Two-component regulatory system response regulator	A, B	126	Acinetobacter baumannii	Mutation(s): 0  Gene Names: rstA, NCTC13305_01717

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A], D [auth A], F [auth B], G [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	E [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	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: 0.216 
• R-Value Work: 0.178 
• Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.819	α = 90
b = 51.819	β = 90
c = 194.504	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-12-25 
Deposition Author(s): Minasov, G., Shuvalova, L., Kiryukhina, O., Wiersum, G., Satchell, K.J.F., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2019-12-25
  Type: Initial release
  
• Version 1.1: 2024-10-23
  Changes: Data collection, Database references, Derived calculations, Structure summary