2XU1

CATHEPSIN L WITH A NITRILE INHIBITOR

• PDB DOI: https://doi.org/10.2210/pdb2XU1/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2010-10-14 Released: 2011-01-12 
• Deposition Author(s): Banner, D.W., Benz, J.M., Steinbacher, S., Haap, W.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.272 
• R-Value Work: 0.234 
• R-Value Observed: 0.235 

Literature

Systematic Investigation of Halogen Bonding in Protein-Ligand Interactions.

Hardegger, L.A., Kuhn, B., Spinnler, B., Anselm, L., Ecabert, R., Stihle, M., Gsell, B., Thoma, R., Diez, J., Benz, J., Plancher, J.M., Hartmann, G., Banner, D.W., Haap, W., Diederich, F.

(2011) Angew Chem Int Ed Engl 50: 314

• PubMed: 21184410 
• DOI: https://doi.org/10.1002/anie.201006781
• Primary Citation of Related Structures:  
  2XU1, 2XU3, 2XU4, 2XU5

---

Organizational Affiliation: 

Laboratorium für Organische Chemie, ETH Zürich, Wolfgang-Pauli-Strasse 10, HCI, 8093 Zürich, Switzerland.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

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

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 98.78 kDa 
• Atom Count: 7,696 
• Modelled Residue Count: 869 
• Deposited Residue Count: 880 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CATHEPSIN L1	A, B, C, D	220	Homo sapiens	Mutation(s): 1  EC: 3.4.22.15
UniProt & NIH Common Fund Data Resources
Find proteins for P07711 (Homo sapiens) Explore P07711  Go to UniProtKB:  P07711
PHAROS:  P07711 GTEx:  ENSG00000135047

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
424	E [auth A], F [auth B], G [auth C], H [auth D]	(2S,4R)-1-[1-(4-chlorophenyl)cyclopropyl]carbonyl-4-(2-chlorophenyl)sulfonyl-N-[1-(iminomethyl)cyclopropyl]pyrrolidine-2-carboxamide C25 H25 Cl2 N3 O4 S JSCXGRUVBVSETN-OIRADOGLSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
424	PDBBind:  2XU1	IC50: 22 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.45 Å
• R-Value Free: 0.272 
• R-Value Work: 0.234 
• R-Value Observed: 0.235 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.36	α = 105.62
b = 62.705	β = 93.24
c = 68.243	γ = 115.45

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SADABS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-12 
Deposition Author(s): Banner, D.W., Benz, J.M., Steinbacher, S., Haap, W.

Revision History  

• Version 1.0: 2011-01-12
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance