7CK9

Crystal structure of Doxorubicin loaded human ferritin heavy chain

• PDB DOI: https://doi.org/10.2210/pdb7CK9/pdb

• Classification: METAL TRANSPORT
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2020-07-16 Released: 2021-05-26 
• Deposition Author(s): Chen, X., Jiang, B., Yan, X., Fan, K.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.169 
• R-Value Work: 0.149 
• R-Value Observed: 0.150 

Starting Model: experimental

Literature

A natural drug entry channel in the ferritin nanocage.

Jiang, B., Chen, X., Sun, G., Chen, X., Yin, Y., Jin, Y., Mi, Q., Ma, L., Yang, Y., Yan, X., Fan, K.

(2020) Nano Today 35

• DOI: https://doi.org/10.1016/j.nantod.2020.100948

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 20.46 kDa 
• Atom Count: 1,857 
• Modelled Residue Count: 172 
• Deposited Residue Count: 172 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferritin heavy chain	A	172	Homo sapiens	Mutation(s): 0  Gene Names: FTH1, FTH, FTHL6, OK/SW-cl.84, PIG15 EC: 1.16.3.1
UniProt & NIH Common Fund Data Resources
Find proteins for P02794 (Homo sapiens) Explore P02794  Go to UniProtKB:  P02794
PHAROS:  P02794 GTEx:  ENSG00000167996

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	J [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	B [auth A], C [auth A], D [auth A], E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
OXY	I [auth A]	OXYGEN MOLECULE O2 MYMOFIZGZYHOMD-UHFFFAOYSA-N
MG	F [auth A], G [auth A], H [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.169 
• R-Value Work: 0.149 
• R-Value Observed: 0.150 
• Space Group: F 4 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 183.207	α = 90
b = 183.207	β = 90
c = 183.207	γ = 90

Software Package:

Software Name	Purpose
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-05-26 
Deposition Author(s): Chen, X., Jiang, B., Yan, X., Fan, K.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31530026
National Natural Science Foundation of China (NSFC)	China	31871005
National Natural Science Foundation of China (NSFC)	China	31770793
National Natural Science Foundation of China (NSFC)	China	31900981

Revision History  

• Version 1.0: 2021-05-26
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Database references, Refinement description