9PTM | pdb_00009ptm

Antibody fragment from mAb824 bound to the adhesin protein FimH.

• PDB DOI: https://doi.org/10.2210/pdb9PTM/pdb
• EM Map EMD-71842: EMDB EMDataResource

• Classification: CELL ADHESION/IMMUNE SYSTEM
• Organism(s): Escherichia coli, Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-07-29 Released: 2025-11-26 
• Deposition Author(s): Hvorecny, K.L., Magala, P., Klevit, R.E., Kollman, J.M.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Starting Models: experimental

Literature

Antibodies disrupt bacterial adhesion by ligand mimicry and allostery

Hvorecny, K.L., Kollman, J.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 93.1 kDa 
• Atom Count: 5,250 
• Modeled Residue Count: 696 
• Deposited Residue Count: 872 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Type 1 fimbrin D-mannose specific adhesin	A	300	Escherichia coli	Mutation(s): 0  Gene Names: fimH, b4320, JW4283
UniProt
Find proteins for P08191 (Escherichia coli (strain K12)) Explore P08191  Go to UniProtKB:  P08191

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein FimG	B [auth G]	167	Escherichia coli	Mutation(s): 0  Gene Names: fimG, b4319, JW4282
UniProt
Find proteins for P08190 (Escherichia coli (strain K12)) Explore P08190  Go to UniProtKB:  P08190

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
mAb824 Heavy Chain	C [auth I]	208	Mus musculus	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
mAb824 Light Chain	D [auth M]	197	Mus musculus	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.40 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.1_5286
RECONSTRUCTION	PHENIX	1.21.1-5286

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-11-26 
Deposition Author(s): Hvorecny, K.L., Magala, P., Klevit, R.E., Kollman, J.M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35 GM149542
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	F32 AI145111
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R01 AI171570
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	K99 GM141364

Revision History  

• Version 1.0: 2025-11-26
  Type: Initial release