Structure of PDB 8prx Chain C Binding Site BS01

Receptor Information
>8prx Chain C (length=216) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APRSVDWREKGYVTPVKNQGQCGSCWAFSATGALEGQMFRKTGRLISLSE
QNLVDCSGPQGNEGCNGGLMDYAFQYVQDNGGLDSEESYPYEATEESCKY
NPKYSVANDAGFVDIPKQEKALMKAVATVGPISVAIDAGHESFLFYKEGI
YFEPDCSSEDMDHGVLVVGYGFESNNKYWLVKNSWGEEWGMGGYVKMAKD
RRNHCGIASAASYPTV
Ligand information
Ligand IDKH0
InChIInChI=1S/C31H41N5O7/c1-31(2,3)43-30(42)35-22-10-7-15-36(29(22)41)24(16-19-11-12-19)27(39)34-23(17-21-13-14-32-26(21)38)25(37)28(40)33-18-20-8-5-4-6-9-20/h4-10,15,19,21,23-25,37H,11-14,16-18H2,1-3H3,(H,32,38)(H,33,40)(H,34,39)(H,35,42)/t21-,23-,24-,25-/m0/s1
InChIKeyFRACPXUHUTXLCX-LFBFJMOVSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CC(C)(C)OC(=O)NC1=CC=CN(C1=O)[C@@H](CC2CC2)C(=O)N[C@@H](C[C@@H]3CCNC3=O)[C@@H](C(=O)NCc4ccccc4)O
CACTVS 3.385CC(C)(C)OC(=O)NC1=CC=CN([C@@H](CC2CC2)C(=O)N[C@@H](C[C@@H]3CCNC3=O)[C@H](O)C(=O)NCc4ccccc4)C1=O
OpenEye OEToolkits 2.0.7CC(C)(C)OC(=O)NC1=CC=CN(C1=O)C(CC2CC2)C(=O)NC(CC3CCNC3=O)C(C(=O)NCc4ccccc4)O
CACTVS 3.385CC(C)(C)OC(=O)NC1=CC=CN([CH](CC2CC2)C(=O)N[CH](C[CH]3CCNC3=O)[CH](O)C(=O)NCc4ccccc4)C1=O
FormulaC31 H41 N5 O7
Name~{tert}-butyl ~{N}-[1-[(2~{S})-3-cyclopropyl-1-oxidanylidene-1-[[(2~{S},3~{S})-3-oxidanyl-4-oxidanylidene-1-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]-4-[(phenylmethyl)amino]butan-2-yl]amino]propan-2-yl]-2-oxidanylidene-pyridin-3-yl]carbamate;
(S,S,S)-13b;
ketoamide inhibitor 13b (bound)
ChEMBL
DrugBank
ZINC
PDB chain8prx Chain C Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB8prx Crystal structure of human cathepsin L after reaction with the bound ketoamide inhibitor 13b
Resolution1.8 Å
Binding residue
(original residue number in PDB)
Q19 C22 G23 C25 G67 G68 A135 D162 H163
Binding residue
(residue number reindexed from 1)
Q19 C22 G23 C25 G67 G68 A135 D162 H163
Annotation score1
Enzymatic activity
Enzyme Commision number 3.4.22.15: cathepsin L.
Gene Ontology
Molecular Function
GO:0008234 cysteine-type peptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function

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Biological Process
External links
PDB RCSB:8prx, PDBe:8prx, PDBj:8prx
PDBsum8prx
PubMed38630165
UniProtP07711|CATL1_HUMAN Procathepsin L (Gene Name=CTSL)

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