3JSJ

Crystal structure of a putative tetr-transcriptional regulator (sav143) from streptomyces avermitilis ma-4680 at 2.10 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3JSJ/pdb

• Classification: TRANSCRIPTION
• Organism(s): Streptomyces avermitilis MA-4680 = NBRC 14893
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-09-10 Released: 2009-09-22 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.230 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 

Literature

Crystal structure of Putative transcriptional regulator (NP_821317.1) from Streptomyces avermitilis MA-4680 at 2.10 A resolution

Joint Center for Structural Genomics (JCSG)

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)

Biological Assembly Evidence: gel filtration, light scattering

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration, light scattering

Macromolecule Content

• Total Structure Weight: 82.94 kDa 
• Atom Count: 6,055 
• Modelled Residue Count: 735 
• Deposited Residue Count: 760 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative TetR-family transcriptional regulator	A, B, C, D	190	Streptomyces avermitilis MA-4680 = NBRC 14893	Mutation(s): 0  Gene Names: NP_821317.1, SAV143, SAV_143
UniProt
Find proteins for Q82RK0 (Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680)) Explore Q82RK0  Go to UniProtKB:  Q82RK0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	E [auth A], F [auth A], G [auth B], H [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
MG	I [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.230 
• R-Value Work: 0.189 
• R-Value Observed: 0.191 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.18430/M33JSJ

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.401	α = 90
b = 84.351	β = 102.31
c = 103.39	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-09-22 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2009-09-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations