8HET

Crystal structure of CTSL in complex with E64d

• PDB DOI: https://doi.org/10.2210/pdb8HET/pdb

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


• Deposited: 2022-11-08 Released: 2023-12-13 
• Deposition Author(s): Wang, H., Shao, M., Sun, L., Yang, H.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.213 
• R-Value Work: 0.183 
• R-Value Observed: 0.186 

Literature

Crystal structure of CTSB in complex with K777

Wang, H., Shao, M., Sun, L., Yang, H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 24.54 kDa 
• Atom Count: 1,864 
• Modelled Residue Count: 219 
• Deposited Residue Count: 220 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Procathepsin L	A	220	Homo sapiens	Mutation(s): 0  Gene Names: CTSL
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
E6D (Subject of Investigation/LOI)	B [auth A]	ethyl (3S)-3-hydroxy-4-({(2S)-4-methyl-1-[(3-methylbutyl)amino]-1-oxopentan-2-yl}amino)-4-oxobutanoate C17 H32 N2 O5 FGRTVYZNNRCSAS-KBPBESRZSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.213 
• R-Value Work: 0.183 
• R-Value Observed: 0.186 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.542	α = 90
b = 47.705	β = 90
c = 100.362	γ = 90

Software Package:

Software Name	Purpose
XDS	data scaling
PHENIX	refinement
XDS	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-13 
Deposition Author(s): Wang, H., Shao, M., Sun, L., Yang, H.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	92169109

Revision History  

• Version 1.0: 2023-12-13
  Type: Initial release