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cathepsin V

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Target not currently curated in GtoImmuPdb

Target id: 2352

Nomenclature: cathepsin V

Family: C1: Papain

Gene and Protein Information Click here for help
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human - 334 9q22.33 CTSV cathepsin V
Rat - 334 17p14 Ctsl cathepsin L
Previous and Unofficial Names Click here for help
CatL | cathepsin L | cathepsin L1 | CATHL | CP-2 | cyclic protein 2 | cathepsin L2 | CTSL2 | CTSU | Ctsl1
Database Links Click here for help
Specialist databases
MEROPS C01.009 (Hs)
Other databases
ChEMBL Target
Ensembl Gene
Entrez Gene
Human Protein Atlas
KEGG Enzyme
RefSeq Nucleotide
RefSeq Protein
Enzyme Reaction Click here for help
EC Number:

Download all structure-activity data for this target as a CSV file go icon to follow link

Key to terms and symbols View all chemical structures Click column headers to sort
Ligand Sp. Action Value Parameter Reference
VBY-825 Small molecule or natural product Click here for species-specific activity table Hs Inhibition 9.6 pKi 1
pKi 9.6 (Ki 2.5x10-10 M) [1]
citibrasine Small molecule or natural product Hs Inhibition 6.7 pKi 2
pKi 6.7 (Ki 2x10-7 M) [2]
Citrusinine II Small molecule or natural product Hs Inhibition 5.4 pKi 2
pKi 5.4 (Ki 4.2x10-6 M) [2]
Description: Inhibition of human recombinant cathepsin V.
petesicatib Small molecule or natural product Click here for species-specific activity table Immunopharmacology Ligand Hs Inhibition 6.2 pIC50 3
pIC50 6.2 (IC50 7x10-7 M) [3]
Immuno Process Associations
Immuno Process:  Antigen presentation
GO Annotations:  Associated to 1 GO processes
GO:0019886 antigen processing and presentation of exogenous peptide antigen via MHC class II TAS


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1. Elie BT, Gocheva V, Shree T, Dalrymple SA, Holsinger LJ, Joyce JA. (2010) Identification and pre-clinical testing of a reversible cathepsin protease inhibitor reveals anti-tumor efficacy in a pancreatic cancer model. Biochimie, 92 (11): 1618-24. [PMID:20447439]

2. Severino RP, Guido RV, Marques EF, Brömme D, da Silva MF, Fernandes JB, Andricopulo AD, Vieira PC. (2011) Acridone alkaloids as potent inhibitors of cathepsin V. Bioorg Med Chem, 19 (4): 1477-81. [PMID:21277783]

3. Tato M, Kumar SV, Liu Y, Mulay SR, Moll S, Popper B, Eberhard JN, Thomasova D, Rufer AC, Gruner S et al.. (2017) Cathepsin S inhibition combines control of systemic and peripheral pathomechanisms of autoimmune tissue injury. Sci Rep, 7 (1): 2775. [PMID:28584258]

How to cite this page

C1: Papain: cathepsin V. Last modified on 21/01/2021. Accessed on 15/05/2021. IUPHAR/BPS Guide to PHARMACOLOGY,