Structure of PDB 3hha Chain A

Receptor sequence
>3hhaA (length=220) Species: 9606 (Homo sapiens) [Search protein sequence]
APRSVDWREKGYVTPVKNQGQCGSCWAFSATGALEGQMFRKTGRLISLSE
QNLVDCSGPQGNEGCNGGLMDYAFQYVQDNGGLDSEESYPYEATEESCKY
NPKYSVANDAGFVDIPKQEKALMKAVATVGPISVAIDAGHESFLFYKEGI
YFEPDCSSEDMDHGVLVVGYGFESTESDNNKYWLVKNSWGEEWGMGGYVK
MAKDRRNHCGIASAASYPTV
3D structure
PDB3hha Dipeptidyl nitrile inhibitors of Cathepsin L.
ChainA
Resolution1.27 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 H163 N187
Catalytic site (residue number reindexed from 1) Q19 C25 H163 N187
Enzyme Commision number 3.4.22.15: cathepsin L.
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 NOW A G23 C25 G67 G68 L69 M70 A135 M161 D162 G23 C25 G67 G68 L69 M70 A135 M161 D162 PDBbind-CN: -logKd/Ki=7.90,IC50=12.6nM
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:3hha, PDBe:3hha, PDBj:3hha
PDBsum3hha
PubMed19515558
UniProtP07711|CATL1_HUMAN Procathepsin L (Gene Name=CTSL)

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