9NNL | pdb_00009nnl

Bordetella filamentous hemagglutinin (FhaB) C-terminal domain bound to microtubules

• PDB DOI: https://doi.org/10.2210/pdb9NNL/pdb
• EM Map EMD-49577: EMDB EMDataResource

• Classification: TOXIN
• Organism(s): Sus scrofa, Bordetella bronchiseptica RB50
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-03-05 Released: 2026-02-25 
• Deposition Author(s): Neumann, B., Gonen, S.
• Funding Organization(s): National Institutes of Health/National Institute on Aging (NIH/NIA), National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.42 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Starting Models: experimental, in silico

Literature

Bordetella filamentous hemagglutinin (FhaB) C-terminal domain bound to microtubules

Neumann, B., Gonen, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 8-mer - A4B2C2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 8-mer - A6B2 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 331.68 kDa 
• Atom Count: 22,747 
• Modeled Residue Count: 2,808 
• Deposited Residue Count: 2,904 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin beta chain	A [auth B], C [auth D], D [auth F], F [auth H]	445	Sus scrofa	Mutation(s): 0
UniProt
Find proteins for P02554 (Sus scrofa) Explore P02554  Go to UniProtKB:  P02554

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Filamentous hemagglutinin/adhesin	B [auth C], E [auth G]	111	Bordetella bronchiseptica RB50	Mutation(s): 0  Gene Names: fhaB, BB2993
UniProt
Find proteins for A0A0H3LWR4 (Bordetella bronchiseptica (strain ATCC BAA-588 / NCTC 13252 / RB50)) Explore A0A0H3LWR4  Go to UniProtKB:  A0A0H3LWR4

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Tubulin alpha-1B chain	G [auth A], H [auth E]	451	Sus scrofa	Mutation(s): 0  EC: 3.6.5
UniProt
Find proteins for Q2XVP4 (Sus scrofa) Explore Q2XVP4  Go to UniProtKB:  Q2XVP4

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TA1	J [auth B], L [auth D], N [auth F], P [auth H]	TAXOL C47 H51 N O14 RCINICONZNJXQF-MZXODVADSA-N
GTP	Q [auth A], S [auth E]	GUANOSINE-5'-TRIPHOSPHATE C10 H16 N5 O14 P3 XKMLYUALXHKNFT-UUOKFMHZSA-N
GDP	I [auth B], K [auth D], M [auth F], O [auth H]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
MG	R [auth A], T [auth E]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.42 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.4.1
MODEL REFINEMENT	PHENIX	1.21.2_5419:
MODEL REFINEMENT	Coot	0.9.8.95

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-02-25 
Deposition Author(s): Neumann, B., Gonen, S.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute on Aging (NIH/NIA)	United States	1U24AG079683
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	1R21AI185695-01
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35-GM142797

Revision History  

• Version 1.0: 2026-02-25
  Type: Initial release