Structure of PDB 4bsq Chain A

Receptor sequence
>4bsqA (length=219) Species: 10090 (Mus musculus) [Search protein sequence]
TLPDTVDWREKGCVTEVKYQGSCGACWAFSAVGALEGQLKLKTGKLISLS
AQNLVDCSNEEKYGNKGCGGGYMTEAFQYIIDNGGIEADASYPYKAMDEK
CHYNSKNRAATCSRYIQLPFGDEDALKEAVATKGPVSVGIDASHSSFFFY
KSGVYDDPSCTGNVNHGVLVVGYGTLDGKDYWLVKNSWGLNFGDQGYIRM
ARNNKNHCGIASYCSYPEI
3D structure
PDB4bsq Identification of Potent and Selective Cathepsin S (Cats) Inhibitors Containing Different Central Cyclic Scaffolds.
ChainA
Resolution1.96 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Q141 C147 H287 N307
Catalytic site (residue number reindexed from 1) Q20 C26 H166 N186
Enzyme Commision number 3.4.22.27: cathepsin S.
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 QQV A G145 C147 K187 G191 G192 Y193 V285 N286 H287 Y334 G24 C26 K66 G70 G71 Y72 V164 N165 H166 Y213 PDBbind-CN: -logKd/Ki=9.15,IC50=0.7nM
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:4bsq, PDBe:4bsq, PDBj:4bsq
PDBsum4bsq
PubMed24224654
UniProtO70370|CATS_MOUSE Cathepsin S (Gene Name=Ctss)

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