6RTQ

Hoefavidin P61C mutant generates a stabilized octamer

• PDB DOI: https://doi.org/10.2210/pdb6RTQ/pdb

• Classification: BIOTIN BINDING PROTEIN
• Organism(s): Hoeflea phototrophica DFL-43
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2019-05-26 Released: 2019-08-14 
• Deposition Author(s): Livnah, O., Avraham, O.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.283 
• R-Value Work: 0.227 
• R-Value Observed: 0.230 

Literature

Generating a High Valency Biotin Binder by Selecting Uniform Protein Assemblies via Crystallization

Avraham, O., Levi-Kalisman, Y., Livnah, O.

(2019) Crystals (Basel) 

• DOI: https://doi.org/10.3390/cryst9070353

Biological Assembly 1  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 31.16 kDa 
• Atom Count: 2,073 
• Modelled Residue Count: 266 
• Deposited Residue Count: 292 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hoefavidin	A, B	146	Hoeflea phototrophica DFL-43	Mutation(s): 1  Gene Names: HPDFL43_17171
UniProt
Find proteins for A9D857 (Hoeflea phototrophica (strain DSM 17068 / NCIMB 14078 / DFL-43)) Explore A9D857  Go to UniProtKB:  A9D857

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.283 
• R-Value Work: 0.227 
• R-Value Observed: 0.230 
• Space Group: P 6₂ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.885	α = 90
b = 81.885	β = 90
c = 130.429	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-08-14 
Deposition Author(s): Livnah, O., Avraham, O.

Revision History  

• Version 1.0: 2019-08-14
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Derived calculations, Refinement description