4EJW

Staphylococcus epidermidis TcaR in complex with streptomycin

• PDB DOI: https://doi.org/10.2210/pdb4EJW/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Staphylococcus epidermidis RP62A
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-04-07 Released: 2013-05-08 
• Deposition Author(s): Chang, Y.M., Chen, C.K.M., Wang, A.H.J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.296 
• R-Value Work: 0.247 

Literature

Structural analysis of the antibiotic recognition mechanism of MarR family proteins

Chang, Y.M., Chen, C.K.M., Ko, T.P., Chang-Chien, M.W., Wang, A.H.J.

(2013) Acta Crystallogr D Biol Crystallogr 

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: 35.92 kDa 
• Atom Count: 2,339 
• Modelled Residue Count: 273 
• Deposited Residue Count: 302 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulator TcaR	A, B	151	Staphylococcus epidermidis RP62A	Mutation(s): 0  Gene Names: tcaR, SERP1949
UniProt
Find proteins for Q5HLN6 (Staphylococcus epidermidis (strain ATCC 35984 / RP62A)) Explore Q5HLN6  Go to UniProtKB:  Q5HLN6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SRY	C [auth A], D [auth B]	STREPTOMYCIN C21 H39 N7 O12 UCSJYZPVAKXKNQ-HZYVHMACSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.296 
• R-Value Work: 0.247 
• Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 107.749	α = 90
b = 107.749	β = 90
c = 49.722	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-05-08 
Deposition Author(s): Chang, Y.M., Chen, C.K.M., Wang, A.H.J.

Revision History  

• Version 1.0: 2013-05-08
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description