5A8I

Crystal structure of the FHA domain of ArnA from Sulfolobus acidocaldarius

• PDB DOI: https://doi.org/10.2210/pdb5A8I/pdb

• Classification: TRANSCRIPTION
• Organism(s): Sulfolobus acidocaldarius
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-07-16 Released: 2016-06-22 
• Deposition Author(s): Hoffmann, L., Anders, K., Reimann, J., Linne, U., Essen, L.-O., Albers, S.-V.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.189 
• R-Value Work: 0.168 
• R-Value Observed: 0.169 

Starting Model: experimental

Literature

Phosphorylation-Dependent Interaction between an Archaeal Von Willebrand and Fha Domain Recruits Arna-Arnb Complex to DNA for Repression of Motility

Hoffmann, L., Anders, K., Reimann, J., Linne, U., Essen, L.-O., Albers, S.-V.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 24.39 kDa 
• Atom Count: 1,124 
• Modelled Residue Count: 116 
• Deposited Residue Count: 214 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ARNA	A	214	Sulfolobus acidocaldarius	Mutation(s): 0
UniProt
Find proteins for Q4J9H4 (Sulfolobus acidocaldarius (strain ATCC 33909 / DSM 639 / JCM 8929 / NBRC 15157 / NCIMB 11770)) Explore Q4J9H4  Go to UniProtKB:  Q4J9H4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	B [auth A], C [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.189 
• R-Value Work: 0.168 
• R-Value Observed: 0.169 
• Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.57	α = 90
b = 43.57	β = 90
c = 71.83	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-06-22 
Deposition Author(s): Hoffmann, L., Anders, K., Reimann, J., Linne, U., Essen, L.-O., Albers, S.-V.

Revision History  

• Version 1.0: 2016-06-22
  Type: Initial release
  
• Version 1.1: 2024-01-10
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description