Structure of PDB 3c9e Chain A Binding Site BS07

Receptor Information
>3c9e 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 IDE64
InChIInChI=1S/C15H29N5O5/c1-9(2)7-10(20-14(25)11(21)8-12(22)23)13(24)18-5-3-4-6-19-15(16)17/h9-11,21H,3-8H2,1-2H3,(H,18,24)(H,20,25)(H,22,23)(H4,16,17,19)/p+1/t10-,11-/m0/s1
InChIKeyQPQNJAXBPHVASB-QWRGUYRKSA-O
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(C)C[C@@H](C(=O)NCCCCNC(=[NH2+])N)NC(=O)[C@H](CC(=O)O)O
OpenEye OEToolkits 1.5.0CC(C)CC(C(=O)NCCCCNC(=[NH2+])N)NC(=O)C(CC(=O)O)O
CACTVS 3.341CC(C)C[C@H](NC(=O)[C@@H](O)CC(O)=O)C(=O)NCCCCNC(N)=[NH2+]
CACTVS 3.341CC(C)C[CH](NC(=O)[CH](O)CC(O)=O)C(=O)NCCCCNC(N)=[NH2+]
ACDLabs 10.04O=C(O)CC(O)C(=O)NC(C(=O)NCCCCNC(=[NH2+])\N)CC(C)C
FormulaC15 H30 N5 O5
NameN-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO-BUTYL]-GUANIDINE
ChEMBL
DrugBankDB04276
ZINC
PDB chain3c9e Chain A Residue 308 [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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PDB3c9e The crystal and molecular structures of a cathepsin K:chondroitin sulfate complex.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		Q19 G23 C25 E59 N60 G65 G66 Y67 L160 H162
Binding residue
(residue number reindexed from 1)		Q19 G23 C25 E59 N60 G65 G66 Y67 L160 H162
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=8.00,Kd=10nM
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
View graph for
Biological Process
External links
PDB RCSB:3c9e, PDBe:3c9e, PDBj:3c9e
PDBsum3c9e
PubMed18692071
UniProtP43235|CATK_HUMAN Cathepsin K (Gene Name=CTSK)

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