9GG8 | pdb_00009gg8

Crystal structure of 14-3-3 sigma dC - C38N in complex with Tau pS214 peptide and covalent stabilizer 187

PDB DOI: https://doi.org/10.2210/pdb9GG8/pdb

Classification: PROTEIN BINDING
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2024-08-13 Released: 2025-08-27
Deposition Author(s): van den Oetelaar, M.C.M., van de Wijngaart, T.R., Brunsveld, L., Ottmann, C.
Funding Organization(s): Netherlands Organisation for Scientific Research (NWO)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.10 Å
R-Value Free:
0.203 (Depositor), 0.204 (DCC)
R-Value Work:
0.199 (Depositor), 0.201 (DCC)
R-Value Observed:
0.199 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

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

Literature

Modulation of Tau Condensation with 14-3-3/Tau Molecular Glues

van den Oetelaar, M.C.M., Ravatt, L., Maqueda Zelaya, F., Oberheide, A.O., van de Wijngaart, T.R., van Veldhuisen, T.W., van Boxtel, F.M.A., Verhoef, C.J.A., Cossar, P.J., Wegmann, S., Ottmann, C., Brunsveld, L.

To be published.

Macromolecule Content

Total Structure Weight: 28.38 kDa
Atom Count: 2,192
Modeled Residue Count: 245
Deposited Residue Count: 249
Unique protein chains: 2

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein sigma	A	236	Homo sapiens	Mutation(s): 1 Gene Names: SFN, HME1
UniProt & NIH Common Fund Data Resources
Find proteins for P31947 (Homo sapiens) Explore P31947 Go to UniProtKB: P31947
PHAROS: P31947 GTEx: ENSG00000175793
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P31947
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Microtubule-associated protein tau	B [auth P]	13	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P10636 (Homo sapiens) Explore P10636 Go to UniProtKB: P10636
PHAROS: P10636 GTEx: ENSG00000186868
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P10636
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
TW8 (Subject of Investigation/LOI) Query on TW8 Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	4-(3,4-dihydro-2~{H}-quinoxalin-1-ylsulfonyl)benzaldehyde C₁₅ H₁₄ N₂ O₃ S GOMXOBFYQBMFTF-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP Query on SEP	B [auth P]	L-PEPTIDE LINKING	C₃ H₈ N O₆ P		SER

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.10 Å
R-Value Free: 0.203 (Depositor), 0.204 (DCC)
R-Value Work: 0.199 (Depositor), 0.201 (DCC)
R-Value Observed: 0.199 (Depositor)

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.254	α = 90
b = 112.509	β = 90
c = 62.482	γ = 90

Software Package:

Software Name	Purpose
DIALS	data collection
Aimless	data scaling
PHASER	phasing
REFMAC	refinement
Coot	model building
BUSTER	refinement

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-08-27

Deposition Author(s):

van den Oetelaar, M.C.M.

van de Wijngaart, T.R.

Funding Organization	Location	Grant Number
Netherlands Organisation for Scientific Research (NWO)	Netherlands	--

Revision History (Full details and data files)

Version 1.0: 2025-08-27
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.