9SYO | pdb_00009syo

Crystal structure of human Hsp90-alpha NBD(aa9-236)in complex with dual chaperon targeting ligand THOR-1

PDB DOI: https://doi.org/10.2210/pdb9SYO/pdb

Classification: CHAPERONE
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-10-13 Released: 2026-10-28
Deposition Author(s): Brenner, M., Zehe, M., Schindelin, H., Sotriffer, C.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.29 Å
R-Value Free:
0.189 (Depositor), 0.194 (DCC)
R-Value Work:
0.162 (Depositor), 0.173 (DCC)
R-Value Observed:
0.163 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Unlocking Dual Targeting: Fragment-Growing towards simultaneous Inhibition of Hsc70 and Hsp90

Zehe, M., Brenner, M., Bothe, S., Marzouk, M., Gehrig, T., Schindelin, H., Sotriffer, C.

To be published.

Macromolecule Content

Total Structure Weight: 51.65 kDa
Atom Count: 4,269
Modeled Residue Count: 418
Deposited Residue Count: 456
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heat shock protein HSP 90-alpha	A, B	228	Homo sapiens	Mutation(s): 0 Gene Names: HSP90AA1, HSP90A, HSPC1, HSPCA EC: 3.6.4.10
UniProt & NIH Common Fund Data Resources
Find proteins for P07900 (Homo sapiens) Explore P07900 Go to UniProtKB: P07900
PHAROS: P07900 GTEx: ENSG00000080824
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P07900
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1JR1( Subject of Investigation/LOI) Query on A1JR1 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]	~{N}-[3,5-bis(oxidanyl)phenyl]-2-(1~{H}-indol-2-ylsulfanyl)ethanamide C₁₆ H₁₄ N₂ O₃ S PYOWWRWTALYNAA-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain D [auth B] MOL2 format, chain D [auth B] mmCIF format, chain D [auth B]	D [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain D [auth B] Interactions & Density Focus chain D [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.29 Å
R-Value Free: 0.189 (Depositor), 0.194 (DCC)
R-Value Work: 0.162 (Depositor), 0.173 (DCC)
R-Value Observed: 0.163 (Depositor)

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.523	α = 90
b = 88.167	β = 90
c = 98.031	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Coot	model building

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-28

Deposition Author(s):

Funding Organization	Location	Grant Number
Not funded		--

Revision History (Full details and data files)

Version 1.0: 2026-10-28
Type: Initial release