9DA8 | pdb_00009da8

Tau-Microtubule structure in the presence of ATP

• PDB DOI: https://doi.org/10.2210/pdb9DA8/pdb
• EM Map EMD-46689: EMDB EMDataResource

• Classification: PROTEIN BINDING
• Organism(s): Sus scrofa, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-08-21 Released: 2025-07-30 
• Deposition Author(s): Perez-Bertoldi, J.M., Nogales, E.
• Funding Organization(s): European Research Council (ERC), Howard Hughes Medical Institute (HHMI), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.94 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

Literature

ATP decline delocalizes tau from microtubules

Grycova, L., Humhalova, T., Perez-Bertoldi, J.M., Peukes, J., Hlubuckova, D., Khuntsariya, D., Krishnan, A., Zdobinsky, T., Dodokova, A., Diez, S., Janke, C., Barvik, I., Libusova, L., Nogales, E., Braun, M., Lansky, Z.

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: 464.41 kDa 
• Atom Count: 21,052 
• Modeled Residue Count: 2,628 
• Deposited Residue Count: 4,198 
• Unique protein chains: 3

Macromolecules

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

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Microtubule-associated protein tau	D, H [auth N]	758	Homo sapiens	Mutation(s): 0  Gene Names: MAPT, MAPTL, MTBT1, TAU
UniProt & NIH Common Fund Data Resources
Find proteins for P10636 (Homo sapiens) Explore P10636  Go to UniProtKB:  P10636
PHAROS:  P10636 GTEx:  ENSG00000186868

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.94 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-07-30 
Deposition Author(s): Perez-Bertoldi, J.M., Nogales, E.

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Funding Organization	Location	Grant Number
European Research Council (ERC)	European Union	--
Howard Hughes Medical Institute (HHMI)	United States	--
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	--

Revision History  

• Version 1.0: 2025-07-30
  Type: Initial release