23IU | pdb_000023iu

Complex of FMDV O/18074 and porcine-derived neutralizing monoclonal antibody pO18-29

PDB DOI: https://doi.org/10.2210/pdb23IU/pdb
EM Map EMD-69004: EMDB EMDataResource

Classification: VIRUS
Organism(s): Foot-and-mouth disease virus O, Sus scrofa
Expression System: Homo sapiens
Mutation(s): No

Deposited: 2026-02-07 Released: 2026-09-09
Deposition Author(s): Wu, S., Lei, D.
Funding Organization(s): National Natural Science Foundation of China (NSFC), Other government

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 2.34 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation

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

Literature

Structural basis of antigenic drift on FMDV O/Cathay topotype variants revealed by porcine-derived single B-cell neutralizing antibodies

Li, F., Wu, S., Huang, S., Lv, L., Cao, Y., Bao, H., Sun, P., Bai, X., Yang, J., Zha, J., Zhao, Q., Zhang, H., Li, D., He, J., Liu, Z., Li, P., Lu, Z., Lei, D., Li, K.

(2026) PLoS Pathog

Macromolecule Content

Total Structure Weight: 106.76 kDa
Atom Count: 6,890
Modeled Residue Count: 892
Deposited Residue Count: 976
Unique protein chains: 6

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
VP1 of capsid protein	A [auth 1]	213	Foot-and-mouth disease virus O	Mutation(s): 0
UniProt
Find proteins for A0A1P8DYS7 (Foot-and-mouth disease virus serotype O) Explore A0A1P8DYS7 Go to UniProtKB: A0A1P8DYS7
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A1P8DYS7
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
VP2 of capsid protein	B [auth 2]	218	Foot-and-mouth disease virus O	Mutation(s): 0
UniProt
Find proteins for J9PGT1 (Foot-and-mouth disease virus serotype O) Explore J9PGT1 Go to UniProtKB: J9PGT1
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	J9PGT1
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
VP3 of capsid protein	C [auth 3]	220	Foot-and-mouth disease virus O	Mutation(s): 0
UniProt
Find proteins for A0A1C6ZW66 (Foot-and-mouth disease virus serotype O) Explore A0A1C6ZW66 Go to UniProtKB: A0A1C6ZW66
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A1C6ZW66
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Reference Sequence

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| 3D Structure

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
VP4 of capsid protein	D [auth 4]	85	Foot-and-mouth disease virus O	Mutation(s): 0
UniProt
Find proteins for J9PGT1 (Foot-and-mouth disease virus serotype O) Explore J9PGT1 Go to UniProtKB: J9PGT1
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	J9PGT1
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
pO18-29 VH	E [auth H]	132	Sus scrofa	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
pO18-29 VL	F [auth L]	108	Sus scrofa	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 2.34 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487
RECONSTRUCTION	cryoSPARC

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-09

Deposition Author(s):

Wu, S.

Lei, D.

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32171300
Other government	China	R2405
National Natural Science Foundation of China (NSFC)	China	32503058
National Natural Science Foundation of China (NSFC)	China	32373028
Other government	China	lzujbky-2021-ct05
Other government	China	2021YFD1800304
Other government	China	CAAS-CSLPDCP-202402