2JJC

Hsp90 alpha ATPase domain with bound small molecule fragment

• PDB DOI: https://doi.org/10.2210/pdb2JJC/pdb

• Classification: CHAPERONE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2008-03-31 Released: 2008-07-15 
• Deposition Author(s): Congreve, M., Chessari, G., Tisi, D., Woodhead, A.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.217 
• R-Value Work: 0.178 
• R-Value Observed: 0.180 

Starting Model: experimental

Literature

Recent Developments in Fragment-Based Drug Discovery.

Congreve, M., Chessari, G., Tisi, D., Woodhead, A.J.

(2008) J Med Chem 51: 3661

• PubMed: 18457385 
• DOI: https://doi.org/10.1021/jm8000373
• Primary Citation of Related Structures:  
  2JJC

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Organizational Affiliation: 

Astex Therapeutics Ltd., 436 Cambridge Science Park, Milton Road, Cambridge CB4 0QA, UK. [e-mail]

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 24.58 kDa 
• Atom Count: 1,930 
• Modelled Residue Count: 207 
• Deposited Residue Count: 218 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HEAT SHOCK PROTEIN HSP 90-ALPHA	A	218	Homo sapiens	Mutation(s): 0  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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
LGA	C [auth A]	PYRIMIDIN-2-AMINE C4 H5 N3 LJXQPZWIHJMPQQ-UHFFFAOYSA-N
DMS	B [auth A]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
LGA	BindingDB:  2JJC	Kd: 1.90e+4 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.217 
• R-Value Work: 0.178 
• R-Value Observed: 0.180 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.267	α = 90
b = 89.019	β = 90
c = 99.531	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling
C-SEARCH	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-07-15 
Deposition Author(s): Congreve, M., Chessari, G., Tisi, D., Woodhead, A.J.

Revision History  

• Version 1.0: 2008-07-15
  Type: Initial release
  
• Version 1.1: 2011-05-07
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-07-05
  Changes: Data collection
• Version 1.4: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description