4Z5D

HipB-O4 21mer complex

• PDB DOI: https://doi.org/10.2210/pdb4Z5D/pdb
• NAKB: 4Z5D

• Classification: Transcription/DNA
• Organism(s): Escherichia coli K-12, synthetic construct
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-04-02 Released: 2016-07-06 
• Deposition Author(s): Min, J., Brennan, R.G., Schumacher, M.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.183 
• R-Value Work: 0.179 
• R-Value Observed: 0.179 

Starting Model: experimental

Literature

Molecular mechanism on hipBA gene regulation.

Min, J., Wang, A., Brennan, R.G., Schumacher, M.A.

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: 28.68 kDa 
• Atom Count: 2,231 
• Modelled Residue Count: 183 
• Deposited Residue Count: 183 
• Unique protein chains: 1
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Antitoxin HipB	A, B	71	Escherichia coli K-12	Mutation(s): 0  Gene Names: hipB, b1508, JW1501
UniProt
Find proteins for P23873 (Escherichia coli (strain K12)) Explore P23873  Go to UniProtKB:  P23873

Entity ID: 2
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*TP*TP*TP*AP*TP*CP*CP*GP*CP*GP*AP*TP*CP*GP*CP*GP*GP*AP*TP*AP*A)-3')	C	21	synthetic construct

Entity ID: 3
Molecule	Chains	Length	Organism	Image
DNA (5'-D(*TP*TP*TP*AP*TP*CP*CP*GP*CP*GP*AP*TP*CP*GP*CP*GP*GP*AP*TP*A)-3')	D	20	synthetic construct

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.183 
• R-Value Work: 0.179 
• R-Value Observed: 0.179 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 108.604	α = 90
b = 108.604	β = 90
c = 59.189	γ = 120

Software Package:

Software Name	Purpose
HKL-3000	data reduction
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-3000	data scaling
PHASER	phasing
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-07-06 
Deposition Author(s): Min, J., Brennan, R.G., Schumacher, M.A.

Revision History  

• Version 1.0: 2016-07-06
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Derived calculations, Refinement description
• Version 1.2: 2023-09-27
  Changes: Data collection, Database references, Refinement description