Structure of PDB 1nl6 Chain A Binding Site BS01

Receptor Information
>1nl6 Chain A (length=215) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APDSVDYRKKGYVTPVKNQGQCGSCWAFSSVGALEGQLKKKTGKLLNLSP
QNLVDCVSENDGCGGGYMTNAFQYVQKNRGIDSEDAYPYVGQEESCMYNP
TGKAAKCRGYREIPEGNEKALKRAVARVGPVSVAIDASLTSFQFYSKGVY
YDESCNSDNLNHAVLAVGYGIQKGNKHWIIKNSWGENWGNKGYILMARNK
NNACGIANLASFPKM
Ligand information
Ligand ID750
InChIInChI=1S/C40H47N5O7/c1-27(2)21-34(43-40(49)37-25-30-24-31(11-12-36(30)52-37)51-20-17-44-15-18-50-19-16-44)39(48)42-33-10-6-14-45(26-35(33)46)38(47)23-28-7-5-8-29(22-28)32-9-3-4-13-41-32/h3-5,7-9,11-13,22,24-25,27,33-34H,6,10,14-21,23,26H2,1-2H3,(H,42,48)(H,43,49)/t33-,34-/m0/s1
InChIKeyKRMYDWCAHQJBOD-HEVIKAOCSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(C)CC(C(=O)NC1CCCN(CC1=O)C(=O)Cc2cccc(c2)c3ccccn3)NC(=O)c4cc5cc(ccc5o4)OCCN6CCOCC6
CACTVS 3.341CC(C)C[CH](NC(=O)c1oc2ccc(OCCN3CCOCC3)cc2c1)C(=O)N[CH]4CCCN(CC4=O)C(=O)Cc5cccc(c5)c6ccccn6
OpenEye OEToolkits 1.5.0CC(C)C[C@@H](C(=O)N[C@H]1CCCN(CC1=O)C(=O)Cc2cccc(c2)c3ccccn3)NC(=O)c4cc5cc(ccc5o4)OCCN6CCOCC6
CACTVS 3.341CC(C)C[C@H](NC(=O)c1oc2ccc(OCCN3CCOCC3)cc2c1)C(=O)N[C@H]4CCCN(CC4=O)C(=O)Cc5cccc(c5)c6ccccn6
ACDLabs 10.04O=C3CN(C(=O)Cc2cccc(c1ncccc1)c2)CCCC3NC(=O)C(NC(=O)c6oc5c(cc(OCCN4CCOCC4)cc5)c6)CC(C)C
FormulaC40 H47 N5 O7
Name5-(2-MORPHOLIN-4-YLETHOXY)BENZOFURAN-2-CARBOXYLIC ACID ((S)-3-METHYL-1-{(S)-3-OXO-1-[2-(3-PYRIDIN-2-YLPHENYL)ACETYL]AZEPAN-4-YLCARBAMOYL}BUTYL)AMIDE
ChEMBLCHEMBL284939
DrugBank
ZINCZINC000029206469
PDB chain1nl6 Chain A Residue 501 [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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PDB1nl6 Azepanone-based inhibitors of human and rat cathepsin K
Resolution2.8 Å
Binding residue
(original residue number in PDB)		Q19 G23 C25 S58 E59 G65 G66 Y67 L160 N161 H162 W184
Binding residue
(residue number reindexed from 1)		Q19 G23 C25 S58 E59 G65 G66 Y67 L160 N161 H162 W184
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=11.32,Ki=4.8pM
BindingDB: IC50=30nM,Ki=0.0048nM
Enzymatic activity
Catalytic site (original residue number in PDB) Q19 C25 H162 N182
Catalytic site (residue number reindexed from 1) Q19 C25 H162 N182
Enzyme Commision number 3.4.22.38: cathepsin K.
Gene Ontology
Molecular Function
GO:0008234 cysteine-type peptidase activity
Biological Process
GO:0006508 proteolysis

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:1nl6, PDBe:1nl6, PDBj:1nl6
PDBsum1nl6
PubMed11311061
UniProtP43235|CATK_HUMAN Cathepsin K (Gene Name=CTSK)

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