4AC0

TETR(B) IN COMPLEX WITH MINOCYCLINE AND MAGNESIUM

• PDB DOI: https://doi.org/10.2210/pdb4AC0/pdb

• Classification: TRANSCRIPTION
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-12-12 Released: 2012-12-26 
• Deposition Author(s): Volkers, G., Hinrichs, W.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.294 
• R-Value Work: 0.234 
• R-Value Observed: 0.237 

Literature

Tetr(B) in Complex with Minocycline and Magnesium

Volkers, G., Palm, G.J., Hinrichs, W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 23.57 kDa 
• Atom Count: 1,623 
• Modelled Residue Count: 197 
• Deposited Residue Count: 202 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TETRACYCLINE REPRESSOR PROTEIN CLASS B FROM TRANSPOSON TN1 0	A	202	Escherichia coli	Mutation(s): 0
UniProt
Find proteins for P04483 (Escherichia coli) Explore P04483  Go to UniProtKB:  P04483

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MIY	B [auth A]	(4S,4AS,5AR,12AS)-4,7-BIS(DIMETHYLAMINO)-3,10,12,12A-TETRAHYDROXY-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2- CARBOXAMIDE C23 H27 N3 O7 DYKFCLLONBREIL-KVUCHLLUSA-N
PO4	D [auth A], E [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.294 
• R-Value Work: 0.234 
• R-Value Observed: 0.237 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.88	α = 90
b = 71.88	β = 90
c = 93.43	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-12-26 
Deposition Author(s): Volkers, G., Hinrichs, W.

Revision History  

• Version 1.0: 2012-12-26
  Type: Initial release
  
• Version 1.1: 2019-07-17
  Changes: Data collection
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description, Structure summary