8J9T

Crystal Structure of GyraseA N-terminal at 2.43A Resolution

• PDB DOI: https://doi.org/10.2210/pdb8J9T/pdb

• Classification: ISOMERASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhi str. CT18
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-05-04 Released: 2024-05-08 
• Deposition Author(s): Salman, M., Sachdeva, E., Das, U., Singh, T.P., Ethayathullah, A.S., Kaur, P.
• Funding Organization(s): Not funded

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.43 Å
• R-Value Free: 0.235 
• R-Value Work: 0.199 

Starting Model: experimental

Literature

Crystal Structure of GyraseA N-terminal at 2.43A Resolution

Salman, M., Sachdeva, E., Das, U., Singh, T.P., Ethayathullah, A.S., Kaur, P.

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: 110.87 kDa 
• Atom Count: 8,337 
• Modelled Residue Count: 974 
• Deposited Residue Count: 986 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA gyrase subunit A	A, B	493	Salmonella enterica subsp. enterica serovar Typhi str. CT18	Mutation(s): 0  Gene Names: gyrA EC: 5.6.2.2
UniProt
Find proteins for A0A716CHN5 (Salmonella enterica subsp. enterica serovar Typhi str. CT18) Explore A0A716CHN5  Go to UniProtKB:  A0A716CHN5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CO3	C [auth A], D [auth B]	CARBONATE ION C O3 BVKZGUZCCUSVTD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.43 Å
• R-Value Free: 0.235 
• R-Value Work: 0.199 
• Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 154.781	α = 90
b = 154.781	β = 90
c = 108.258	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing
MxCuBE	data collection
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-08 
Deposition Author(s): Salman, M., Sachdeva, E., Das, U., Singh, T.P., Ethayathullah, A.S., Kaur, P.

---

Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-05-08
  Type: Initial release