6QLX

Cathepsin-K in complex with fluoro-oxa-azabicyclo[3.3.0]octanyl containing inhibitor

• PDB DOI: https://doi.org/10.2210/pdb6QLX/pdb

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


• Deposited: 2019-02-01 Released: 2020-02-19 
• Deposition Author(s): Derbyshire, D.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.237 
• R-Value Work: 0.186 
• R-Value Observed: 0.189 

Literature

Successful development of 3-oxohexahydrofuropyrrole amino acid amides as inhibitors of Cathepsin-K.

Derbyshire, D.J.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 24.13 kDa 
• Atom Count: 2,045 
• Modelled Residue Count: 216 
• Deposited Residue Count: 216 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cathepsin K	A	216	Homo sapiens	Mutation(s): 0  Gene Names: CTSK, CTSO, CTSO2 EC: 3.4.22.38
UniProt & NIH Common Fund Data Resources
Find proteins for P43235 (Homo sapiens) Explore P43235  Go to UniProtKB:  P43235
PHAROS:  P43235 GTEx:  ENSG00000143387

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HKH (Subject of Investigation/LOI)	B [auth A]	~{N}-[(2~{S})-1-[(3~{R},3~{a}~{R},6~{S},6~{a}~{S})-6-fluoranyl-3-oxidanyl-2,3,3~{a},5,6,6~{a}-hexahydrofuro[3,2-b]pyrrol-4-yl]-4-methyl-1-oxidanylidene-pentan-2-yl]-4-thiophen-2-yl-benzamide C23 H27 F N2 O4 S PPPDNJKXIHLWJW-DSVUQQCSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.237 
• R-Value Work: 0.186 
• R-Value Observed: 0.189 
• Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.204	α = 90
b = 71.204	β = 90
c = 54.541	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-02-19 
Deposition Author(s): Derbyshire, D.J.

Revision History  

• Version 1.0: 2020-02-19
  Type: Initial release