6RA8 | pdb_00006ra8

Horse spleen apoferritin under 2 kBar of argon

• PDB DOI: https://doi.org/10.2210/pdb6RA8/pdb

• Classification: METAL TRANSPORT
• Organism(s): Equus caballus
• Mutation(s): No 


• Deposited: 2019-04-05 Released: 2020-05-06 
• Deposition Author(s): Prange, T., Carpentier, P., Colloc'h, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.221 (Depositor), 0.220 (DCC) 
• R-Value Work: 
  0.171 (Depositor), 0.171 (DCC) 
• R-Value Observed: 
  0.174 (Depositor) 

Starting Model: experimental

Literature

Labelling protein crystals by argon at 2 kbar

Prange, T., Carpentier, P.

To be published.

Biological Assembly 1  

Global Symmetry: Octahedral - O  (Explore in 3D)
Global Stoichiometry: Homo 24-mer - A24 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 20.89 kDa 
• Atom Count: 1,648 
• Modeled Residue Count: 173 
• Deposited Residue Count: 173 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferritin light chain	A	173	Equus caballus	Mutation(s): 0
UniProt
Find proteins for P02791 (Equus caballus) Explore P02791  Go to UniProtKB:  P02791

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CD	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N
SO4	J [auth A], K [auth A], L [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
AR	I [auth A]	ARGON Ar XKRFYHLGVUSROY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSO	A	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.221 (Depositor), 0.220 (DCC) 
• R-Value Work:  0.171 (Depositor), 0.171 (DCC) 
• R-Value Observed: 0.174 (Depositor) 

Space Group: F 4 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 180.873	α = 90
b = 180.873	β = 90
c = 180.873	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
FFT	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-05-06 
Deposition Author(s): Prange, T., Carpentier, P., Colloc'h, N.

Revision History  

• Version 1.0: 2020-05-06
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2024-11-13
  Changes: Structure summary