Structure of PDB 5qc3 Chain B Binding Site BS01

Receptor Information
>5qc3 Chain B (length=221) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ILPDSVDWREKGCVTEVKYQGSCGASWAFSAVGALEAQLKLKTGKLVSLS
AQNLVDCSTEKYGNKGCNGGFMTTAFQYIIDNKGIDSDASYPYKAMDQKC
QYDSKYRAATCSKYTELPYGREDVLKEAVANKGPVSVGVDARHPSFFLYR
SGVYYEPSCTQNVNHGVLVVGYGDLNGKEYWLVKNSWGHNFGEEGYIRMA
RNKGNHCGIASFPSYPEILQG
Ligand information
Ligand IDB9Y
InChIInChI=1S/C30H41F4N5O3S/c31-22-6-11-36(12-7-22)14-15-43-27-16-21(4-5-25(27)30(32,33)34)29-24-19-38(28(42)20-40)13-8-26(24)39(35-29)18-23(41)17-37-9-2-1-3-10-37/h4-5,16,22-23,40-41H,1-3,6-15,17-20H2/t23-/m0/s1
InChIKeyQFMAXTIVGRIBEI-QHCPKHFHSA-N
SMILES
SoftwareSMILES
CACTVS 3.385OCC(=O)N1CCc2n(C[C@@H](O)CN3CCCCC3)nc(c4ccc(c(SCCN5CCC(F)CC5)c4)C(F)(F)F)c2C1
OpenEye OEToolkits 2.0.6c1cc(c(cc1c2c3c(n(n2)C[C@H](CN4CCCCC4)O)CCN(C3)C(=O)CO)SCCN5CCC(CC5)F)C(F)(F)F
OpenEye OEToolkits 2.0.6c1cc(c(cc1c2c3c(n(n2)CC(CN4CCCCC4)O)CCN(C3)C(=O)CO)SCCN5CCC(CC5)F)C(F)(F)F
CACTVS 3.385OCC(=O)N1CCc2n(C[CH](O)CN3CCCCC3)nc(c4ccc(c(SCCN5CCC(F)CC5)c4)C(F)(F)F)c2C1
ACDLabs 12.01C(CN1CCC(CC1)F)Sc5cc(c2nn(c3c2CN(CC3)C(CO)=O)CC(O)CN4CCCCC4)ccc5C(F)(F)F
FormulaC30 H41 F4 N5 O3 S
Name1-{3-[3-{[2-(4-fluoropiperidin-1-yl)ethyl]sulfanyl}-4-(trifluoromethyl)phenyl]-1-[(2S)-2-hydroxy-3-(piperidin-1-yl)propyl]-1,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl}-2-hydroxyethan-1-one
ChEMBLCHEMBL1089616
DrugBank
ZINCZINC000049793507
PDB chain5qc3 Chain B Residue 901 [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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PDB5qc3 Crystal structure of human Cathepsin-S with bound ligand
Resolution1.998 Å
Binding residue
(original residue number in PDB)		K64 G69 F70 M71 Y118 N161 V162 N163 H164 G165 F211
Binding residue
(residue number reindexed from 1)		K65 G70 F71 M72 Y119 N162 V163 N164 H165 G166 F212
Annotation score1
Binding affinityBindingDB: IC50=235nM
Enzymatic activity
Catalytic site (original residue number in PDB) Q19 S25 H164 N184
Catalytic site (residue number reindexed from 1) Q20 S26 H165 N185
Enzyme Commision number 3.4.22.27: cathepsin S.
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:5qc3, PDBe:5qc3, PDBj:5qc3
PDBsum5qc3
PubMed
UniProtP25774|CATS_HUMAN Cathepsin S (Gene Name=CTSS)

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