6MSX | pdb_00006msx

Iron containing ferritin at 1.43A

• PDB DOI: https://doi.org/10.2210/pdb6MSX/pdb

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


• Deposited: 2018-10-18 Released: 2018-12-19 
• Deposition Author(s): Blackburn, A., Partowmah, S.H., Brennan, H.M., Mestizo, K.E., Stivala, C.D., Petreczky, J., Perez, A., Horn, A., McSweeney, S.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), Department of Energy (DOE, United States)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free: 
  0.172 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.157 (Depositor), 0.160 (DCC) 
• R-Value Observed: 
  0.158 (Depositor) 

Starting Model: experimental

Literature

A simple technique to improve microcrystals using gel exclusion of nucleation inducing elements

Blackburn, A., Partowmah, S.H., Brennan, H.M., Mestizo, K.E., Stivala, C.D., Petreczky, J., Perez, A., Horn, A., McSweeney, S.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 20.53 kDa 
• Atom Count: 1,740 
• Modeled Residue Count: 170 
• Deposited Residue Count: 174 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferritin light chain	A	174	Equus caballus	Mutation(s): 0
UniProt
Find proteins for P02791 (Equus caballus) Explore P02791  Go to UniProtKB:  P02791

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CD	D [auth A], E [auth A], F [auth A], G [auth A]	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
NA	H [auth A], I [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free:  0.172 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.157 (Depositor), 0.160 (DCC) 
• R-Value Observed: 0.158 (Depositor) 

Space Group: F 4 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 181.59	α = 90
b = 181.59	β = 90
c = 181.59	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-12-19 
Deposition Author(s): Blackburn, A., Partowmah, S.H., Brennan, H.M., Mestizo, K.E., Stivala, C.D., Petreczky, J., Perez, A., Horn, A., McSweeney, S.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	P41GM111244
Department of Energy (DOE, United States)	United States	KP1605010

Revision History  

• Version 1.0: 2018-12-19
  Type: Initial release
  
• Version 1.1: 2019-12-04
  Changes: Author supporting evidence
• Version 1.2: 2023-10-11
  Changes: Data collection, Database references, Derived calculations, Refinement description