Structure of PDB 1au4 Chain A

Receptor sequence
>1au4A (length=215) Species: 9606 (Homo sapiens) [Search protein sequence]
APDSVDYRKKGYVTPVKNQGQCGSCWAFSSVGALEGQLKKKTGKLLNLSP
QNLVDCVSENDGCGGGYMTNAFQYVQKNRGIDSEDAYPYVGQEESCMYNP
TGKAAKCRGYREIPEGNEKALKRAVARVGPVSVAIDASLTSFQFYSKGVY
YDESCNSDNLNHAVLAVGYGIQKGNKHWIIKNSWGENWGNKGYILMARNK
NNACGIANLASFPKM
3D structure
PDB1au4 Conformationally constrained 1,3-diamino ketones: a series of potent inhibitors of the cysteine protease cathepsin K.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 INP A Q19 Q21 G23 C25 W26 D61 G65 G66 Y67 N161 A163 W184 Q19 Q21 G23 C25 W26 D61 G65 G66 Y67 N161 A163 W184
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:1au4, PDBe:1au4, PDBj:1au4
PDBsum1au4
PubMed9733481
UniProtP43235|CATK_HUMAN Cathepsin K (Gene Name=CTSK)

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