6QL8

Cathepsin-K in complex with MIV-711

• PDB DOI: https://doi.org/10.2210/pdb6QL8/pdb

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


• Deposited: 2019-01-31 Released: 2020-02-19 
• Deposition Author(s): Derbyshire, D.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.181 
• R-Value Work: 0.149 
• R-Value Observed: 0.151 

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 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 24.68 kDa 
• Atom Count: 2,006 
• Modelled Residue Count: 217 
• Deposited Residue Count: 217 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cathepsin K	A	217	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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
J5N (Subject of Investigation/LOI)	B [auth A]	~{N}-[(2~{S})-1-[(3~{R},3~{a}~{R},6~{R},6~{a}~{R})-6-ethynyl-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-[5-fluoranyl-2-(4-methylpiperazin-1-yl)-1,3-thiazol-4-yl]benzamide C29 H36 F N5 O4 S LXQZJMLAONLFAB-KFGZMKLQSA-N
NO3	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	NITRATE ION N O3 NHNBFGGVMKEFGY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.181 
• R-Value Work: 0.149 
• R-Value Observed: 0.151 
• Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.91	α = 90
b = 70.91	β = 90
c = 54.27	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
  
• Version 1.1: 2024-10-16
  Changes: Data collection, Database references, Structure summary