22IX | pdb_000022ix

cryo-ET subtomogram-averaged structure of mouse heavy-chain apoferritin resolved at 2.71 Angstroms

PDB DOI: https://doi.org/10.2210/pdb22IX/pdb
EM Map EMD-68355: EMDB EMDataResource

Classification: OXIDOREDUCTASE
Organism(s): Mus musculus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2026-01-13 Released: 2026-01-28
Deposition Author(s): Mazmanian, K., Wang, C.H., Hsu, S.T., Wu, K.P., Chang, Y.C.
Funding Organization(s): Academia Sinica (Taiwan)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.71 Å
Aggregation State: PARTICLE
Reconstruction Method: SUBTOMOGRAM AVERAGING

wwPDB Validation 3D Report Full Report

Validation slider image for 22IX

This is version 1.0 of the entry. See complete history.

Literature

cryo-ET subtomogram-averaged structure of mouse heavy-chain apoferritin resolved at 2.71 Angstroms

Mazmanian, K., Wang, C.H., Hsu, S.T., Wu, K.P., Chang, Y.C.

To be published.

Macromolecule Content

Total Structure Weight: 507.27 kDa
Atom Count: 34,238
Modeled Residue Count: 4,176
Deposited Residue Count: 4,368
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ferritin heavy chain	A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X	182	Mus musculus	Mutation(s): 0 Gene Names: Fth1, Fth EC: 1.16.3.1
UniProt & NIH Common Fund Data Resources
Find proteins for P09528 (Mus musculus) Explore P09528 Go to UniProtKB: P09528
IMPC: MGI:95588
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P09528
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MG (Subject of Investigation/LOI) Query on MG Download:Ideal Coordinates CCD File SDF format, chain ZA [auth O] SDF format, chain Z [auth A] SDF format, chain YA [auth N] SDF format, chain Y [auth A] SDF format, chain XA [auth M] SDF format, chain WA [auth L] SDF format, chain VA [auth L] SDF format, chain UA [auth K] SDF format, chain TA [auth J] SDF format, chain SA [auth J] SDF format, chain RA [auth I] SDF format, chain QA [auth I] SDF format, chain PA [auth H] SDF format, chain OA [auth H] SDF format, chain NA [auth G] SDF format, chain MA [auth F] SDF format, chain LA [auth E] SDF format, chain KA [auth E] SDF format, chain JB [auth X] SDF format, chain JA [auth E] SDF format, chain IB [auth W] SDF format, chain IA [auth D] SDF format, chain HB [auth V] SDF format, chain HA [auth D] SDF format, chain GB [auth U] SDF format, chain GA [auth C] SDF format, chain FB [auth T] SDF format, chain FA [auth C] SDF format, chain EB [auth S] SDF format, chain EA [auth C] SDF format, chain DB [auth R] SDF format, chain DA [auth B] SDF format, chain CB [auth Q] SDF format, chain CA [auth B] SDF format, chain BB [auth P] SDF format, chain BA [auth B] SDF format, chain AB [auth P] SDF format, chain AA [auth A] MOL2 format, chain ZA [auth O] MOL2 format, chain Z [auth A] MOL2 format, chain YA [auth N] MOL2 format, chain Y [auth A] MOL2 format, chain XA [auth M] MOL2 format, chain WA [auth L] MOL2 format, chain VA [auth L] MOL2 format, chain UA [auth K] MOL2 format, chain TA [auth J] MOL2 format, chain SA [auth J] MOL2 format, chain RA [auth I] MOL2 format, chain QA [auth I] MOL2 format, chain PA [auth H] MOL2 format, chain OA [auth H] MOL2 format, chain NA [auth G] MOL2 format, chain MA [auth F] MOL2 format, chain LA [auth E] MOL2 format, chain KA [auth E] MOL2 format, chain JB [auth X] MOL2 format, chain JA [auth E] MOL2 format, chain IB [auth W] MOL2 format, chain IA [auth D] MOL2 format, chain HB [auth V] MOL2 format, chain HA [auth D] MOL2 format, chain GB [auth U] MOL2 format, chain GA [auth C] MOL2 format, chain FB [auth T] MOL2 format, chain FA [auth C] MOL2 format, chain EB [auth S] MOL2 format, chain EA [auth C] MOL2 format, chain DB [auth R] MOL2 format, chain DA [auth B] MOL2 format, chain CB [auth Q] MOL2 format, chain CA [auth B] MOL2 format, chain BB [auth P] MOL2 format, chain BA [auth B] MOL2 format, chain AB [auth P] MOL2 format, chain AA [auth A] mmCIF format, chain ZA [auth O] mmCIF format, chain Z [auth A] mmCIF format, chain YA [auth N] mmCIF format, chain Y [auth A] mmCIF format, chain XA [auth M] mmCIF format, chain WA [auth L] mmCIF format, chain VA [auth L] mmCIF format, chain UA [auth K] mmCIF format, chain TA [auth J] mmCIF format, chain SA [auth J] mmCIF format, chain RA [auth I] mmCIF format, chain QA [auth I] mmCIF format, chain PA [auth H] mmCIF format, chain OA [auth H] mmCIF format, chain NA [auth G] mmCIF format, chain MA [auth F] mmCIF format, chain LA [auth E] mmCIF format, chain KA [auth E] mmCIF format, chain JB [auth X] mmCIF format, chain JA [auth E] mmCIF format, chain IB [auth W] mmCIF format, chain IA [auth D] mmCIF format, chain HB [auth V] mmCIF format, chain HA [auth D] mmCIF format, chain GB [auth U] mmCIF format, chain GA [auth C] mmCIF format, chain FB [auth T] mmCIF format, chain FA [auth C] mmCIF format, chain EB [auth S] mmCIF format, chain EA [auth C] mmCIF format, chain DB [auth R] mmCIF format, chain DA [auth B] mmCIF format, chain CB [auth Q] mmCIF format, chain CA [auth B] mmCIF format, chain BB [auth P] mmCIF format, chain BA [auth B] mmCIF format, chain AB [auth P] mmCIF format, chain AA [auth A]	AA [auth A] AB [auth P] BA [auth B] BB [auth P] CA [auth B] AA [auth A], AB [auth P], BA [auth B], BB [auth P], CA [auth B], CB [auth Q], DA [auth B], DB [auth R], EA [auth C], EB [auth S], FA [auth C], FB [auth T], GA [auth C], GB [auth U], HA [auth D], HB [auth V], IA [auth D], IB [auth W], JA [auth E], JB [auth X], KA [auth E], LA [auth E], MA [auth F], NA [auth G], OA [auth H], PA [auth H], QA [auth I], RA [auth I], SA [auth J], TA [auth J], UA [auth K], VA [auth L], WA [auth L], XA [auth M], Y [auth A], YA [auth N], Z [auth A], ZA [auth O]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain AA [auth A] Focus chain AB [auth P] Focus chain BA [auth B] Focus chain BB [auth P] Focus chain CA [auth B] Focus chain CB [auth Q] Focus chain DA [auth B] Focus chain DB [auth R] Focus chain EA [auth C] Focus chain EB [auth S] Focus chain FA [auth C] Focus chain FB [auth T] Focus chain GA [auth C] Focus chain GB [auth U] Focus chain HA [auth D] Focus chain HB [auth V] Focus chain IA [auth D] Focus chain IB [auth W] Focus chain JA [auth E] Focus chain JB [auth X] Focus chain KA [auth E] Focus chain LA [auth E] Focus chain MA [auth F] Focus chain NA [auth G] Focus chain OA [auth H] Focus chain PA [auth H] Focus chain QA [auth I] Focus chain RA [auth I] Focus chain SA [auth J] Focus chain TA [auth J] Focus chain UA [auth K] Focus chain VA [auth L] Focus chain WA [auth L] Focus chain XA [auth M] Focus chain Y [auth A] Focus chain YA [auth N] Focus chain Z [auth A] Focus chain ZA [auth O] Interactions & Density Focus chain AA [auth A] Focus chain AB [auth P] Focus chain BA [auth B] Focus chain BB [auth P] Focus chain CA [auth B] Focus chain CB [auth Q] Focus chain DA [auth B] Focus chain DB [auth R] Focus chain EA [auth C] Focus chain EB [auth S] Focus chain FA [auth C] Focus chain FB [auth T] Focus chain GA [auth C] Focus chain GB [auth U] Focus chain HA [auth D] Focus chain HB [auth V] Focus chain IA [auth D] Focus chain IB [auth W] Focus chain JA [auth E] Focus chain JB [auth X] Focus chain KA [auth E] Focus chain LA [auth E] Focus chain MA [auth F] Focus chain NA [auth G] Focus chain OA [auth H] Focus chain PA [auth H] Focus chain QA [auth I] Focus chain RA [auth I] Focus chain SA [auth J] Focus chain TA [auth J] Focus chain UA [auth K] Focus chain VA [auth L] Focus chain WA [auth L] Focus chain XA [auth M] Focus chain Y [auth A] Focus chain YA [auth N] Focus chain Z [auth A] Focus chain ZA [auth O]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.71 Å
Aggregation State: PARTICLE
Reconstruction Method: SUBTOMOGRAM AVERAGING

EM Software:

Task	Software Package	Version
RECONSTRUCTION	Warp	2.0

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-01-28

Deposition Author(s):

Funding Organization	Location	Grant Number
Academia Sinica (Taiwan)	Taiwan	--

Revision History (Full details and data files)

Version 1.0: 2026-01-28
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.