Structure of PDB 8he9 Chain A Binding Site BS01

Receptor Information
>8he9 Chain A (length=253) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KLPASFDAREQWPQCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHTNAH
VSVEVSAEDLLTCCGSMCGDGCNGGYPAEAWNFWTRKGLVSGGLYESHVG
CRPYSIPPCEHHVNGSRPPCTGDTPKCSKICEPGYSPTYKQDKHYGYNSY
SVSNSEKDIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVTGEMMGGHAI
RILGWGVENGTPYWLVANSWNTDWGDNGFFKILRGQDHCGIESEVVAGIP
RTD
Ligand information
Ligand ID0IW
InChIInChI=1S/C32H40N4O4S/c1-35-20-22-36(23-21-35)32(38)34-30(25-27-13-7-3-8-14-27)31(37)33-28(18-17-26-11-5-2-6-12-26)19-24-41(39,40)29-15-9-4-10-16-29/h2-16,28,30H,17-25H2,1H3,(H,33,37)(H,34,38)/t28-,30-/m0/s1
InChIKeyVZSXPUDQSLKVIR-JDXGNMNLSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.2CN1CCN(CC1)C(=O)NC(Cc2ccccc2)C(=O)NC(CCc3ccccc3)CCS(=O)(=O)c4ccccc4
CACTVS 3.370CN1CCN(CC1)C(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](CCc3ccccc3)CC[S](=O)(=O)c4ccccc4
ACDLabs 12.01O=C(N1CCN(C)CC1)NC(C(=O)NC(CCc2ccccc2)CCS(=O)(=O)c3ccccc3)Cc4ccccc4
CACTVS 3.370CN1CCN(CC1)C(=O)N[CH](Cc2ccccc2)C(=O)N[CH](CCc3ccccc3)CC[S](=O)(=O)c4ccccc4
FormulaC32 H40 N4 O4 S
NameNalpha-[(4-methylpiperazin-1-yl)carbonyl]-N-[(3S)-1-phenyl-5-(phenylsulfonyl)pentan-3-yl]-L-phenylalaninamide;
APC-3316, bound form;
4-Methylpiperazine-1-carboxylic acid [1-[(3-benzenesulfonyl-1-phenethylallyl)carbamoyl]-2-phenylethyl]amide, bound form
ChEMBL
DrugBank
ZINCZINC000013844995
PDB chain8he9 Chain A 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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PDB8he9 Crystal structure of CTSB in complex with K777
Resolution1.55 Å
Binding residue
(original residue number in PDB)
G27 C29 W30 N72 G73 G74 Y75 V176 G198 H199 W221
Binding residue
(residue number reindexed from 1)
G28 C30 W31 N73 G74 G75 Y76 V175 G197 H198 W220
Annotation score1
Enzymatic activity
Enzyme Commision number 3.4.22.1: cathepsin B.
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:8he9, PDBe:8he9, PDBj:8he9
PDBsum8he9
PubMed37990007
UniProtP07858|CATB_HUMAN Cathepsin B (Gene Name=CTSB)

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