7WJG

Streptococcus mutans BusR transcriptional factor

• PDB DOI: https://doi.org/10.2210/pdb7WJG/pdb

• Classification: TRANSCRIPTION
• Organism(s): Streptococcus mutans UA159
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2022-01-06 Released: 2023-01-11 
• Deposition Author(s): Li, X., Liu, N.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free: 0.227 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 

Literature

Structural study of transcriptional factor BusR

Li, X., Liu, N.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly Evidence: light scattering

Macromolecule Content

• Total Structure Weight: 46.89 kDa 
• Atom Count: 3,365 
• Modelled Residue Count: 397 
• Deposited Residue Count: 412 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative transcriptional regulator (GntR family)	A, B	206	Streptococcus mutans UA159	Mutation(s): 0  Gene Names: SMU_1064c
UniProt
Find proteins for Q8DU83 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DU83  Go to UniProtKB:  Q8DU83

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	C [auth A]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free: 0.227 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 158.847	α = 90
b = 72.944	β = 94.822
c = 56.716	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-11 
Deposition Author(s): Li, X., Liu, N.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31970043

Revision History  

• Version 1.0: 2023-01-11
  Type: Initial release