1RIY

HU mutant V42I from Thermotoga maritima

• PDB DOI: https://doi.org/10.2210/pdb1RIY/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2003-11-18 Released: 2004-12-07 
• Deposition Author(s): Kavounis, C., Petratos, K., Tucker, P., Vorgias, C.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.286 
• R-Value Work: 0.216 
• R-Value Observed: 0.219 

Starting Model: experimental

Literature

The structure of the DNA binding protein HU Thermotoga maritima with a single conservative substitution (V42I) that confers significant destabilisation

Kavounis, C., Petratos, K., Tucker, P., Vorgias, C.E.

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,PQS (software)

Macromolecule Content

• Total Structure Weight: 10.03 kDa 
• Atom Count: 552 
• Modelled Residue Count: 71 
• Deposited Residue Count: 90 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hu DNA-binding protein	A	90	Thermotoga maritima	Mutation(s): 1  Gene Names: HUP
UniProt
Find proteins for P36206 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore P36206  Go to UniProtKB:  P36206

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.286 
• R-Value Work: 0.216 
• R-Value Observed: 0.219 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.447	α = 90
b = 45.447	β = 90
c = 76.204	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-12-07 
Deposition Author(s): Kavounis, C., Petratos, K., Tucker, P., Vorgias, C.E.

Revision History  

• Version 1.0: 2004-12-07
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2021-11-10
  Changes: Data collection, Database references
• Version 1.5: 2023-10-25
  Changes: Data collection, Refinement description