6LSZ

HSP 90 in complex with Ganetespib

• PDB DOI: https://doi.org/10.2210/pdb6LSZ/pdb

• Classification: CHAPERONE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2020-01-20 Released: 2021-01-27 
• Deposition Author(s): Cao, H.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free: 0.208 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 

Starting Model: experimental

Literature

Structure of HSP90 in complex with Ganetespib

Cao, H.L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 28.77 kDa 
• Atom Count: 1,769 
• Modelled Residue Count: 209 
• Deposited Residue Count: 252 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heat shock protein HSP 90-alpha	A	252	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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
TUH (Subject of Investigation/LOI)	B [auth A]	5-[2,4-dihydroxy-5-(propan-2-yl)phenyl]-4-(1-methyl-1H-indol-5-yl)-2,4-dihydro-3H-1,2,4-triazol-3-one C20 H20 N4 O3 RVAQIUULWULRNW-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
TUH	BindingDB:  6LSZ	Kd: 24 (nM) from 1 assay(s)
		IC50: min: 50, max: 5390 (nM) from 3 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.99 Å
• R-Value Free: 0.208 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.692	α = 90
b = 89.377	β = 90
c = 99.496	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-3000	data processing
HKL-3000	data scaling
PHASER	phasing
HKL-3000	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-01-27 
Deposition Author(s): Cao, H.L.

Revision History  

• Version 1.0: 2021-01-27
  Type: Initial release
  
• Version 1.1: 2021-11-17
  Changes: Database references
• Version 1.2: 2023-11-29
  Changes: Data collection, Refinement description, Structure summary