11QC | pdb_000011qc

Human transferrin receptor ectodomain

PDB DOI: https://doi.org/10.2210/pdb11QC/pdb
EM Map EMD-75944: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Homo sapiens
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2026-03-10 Released: 2026-05-27
Deposition Author(s): Lee, H., Ros, C., Hafenstein, S.
Funding Organization(s): Other private

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 11QC

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

Literature

Transferrin receptor 1 binds human parvovirus B19 VP1u to facilitate entry

Lee, H., Bieri, J., Ammann, N., Suter, C., Hunziker, D., Singh, A.K., Hafenstein, S.L., Ros, C.

(2026) Nat Commun

Macromolecule Content

Total Structure Weight: 144.57 kDa
Atom Count: 10,198
Modeled Residue Count: 1,278
Deposited Residue Count: 1,278
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transferrin receptor protein 1, serum form	A, B	639	Homo sapiens	Mutation(s): 0 Gene Names: TFRC
UniProt & NIH Common Fund Data Resources
Find proteins for P02786 (Homo sapiens) Explore P02786 Go to UniProtKB: P02786
PHAROS: P02786 GTEx: ENSG00000072274
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P02786
Glycosylation
Glycosylation Sites: 3	Glycosylation Focus chain A Focus chain B	Go to GlyGen: P02786-1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
NAG (Subject of Investigation/LOI) Query on NAG Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth B] SDF format, chain G [auth B] SDF format, chain H [auth B] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth B] MOL2 format, chain G [auth B] MOL2 format, chain H [auth B] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain F [auth B] mmCIF format, chain G [auth B] mmCIF format, chain H [auth B]	C [auth A] D [auth A] E [auth A] F [auth B] G [auth B] C [auth A], D [auth A], E [auth A], F [auth B], G [auth B], H [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C₈ H₁₅ N O₆ OVRNDRQMDRJTHS-FMDGEEDCSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth B] Focus chain G [auth B] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth B] Focus chain G [auth B] Focus chain H [auth B]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.40 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	dev_5316
RECONSTRUCTION	cryoSPARC

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-05-27

Deposition Author(s):

Funding Organization	Location	Grant Number
Other private	United States	--

Revision History (Full details and data files)

Version 1.0: 2026-05-27
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.