Structure of PDB 5qc4 Chain A

Receptor sequence
>5qc4A (length=221) Species: 9606 (Homo sapiens) [Search protein sequence]
ILPDSVDWREKGCVTEVKYQGSCGASWAFSAVGALEAQLKLKTGKLVSLS
AQNLVDCSTEKYGNKGCNGGFMTTAFQYIIDNKGIDSDASYPYKAMDQKC
QYDSKYRAATCSKYTELPYGREDVLKEAVANKGPVSVGVDARHPSFFLYR
SGVYYEPSCTQNVNHGVLVVGYGDLNGKEYWLVKNSWGHNFGEEGYIRMA
RNKGNHCGIASFPSYPEILQG
3D structure
PDB5qc4 Thioether acetamides as P3 binding elements for tetrahydropyrido-pyrazole cathepsin S inhibitors.
ChainA
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) Q19 S25 H164 N184
Catalytic site (residue number reindexed from 1) Q20 S26 H165 N185
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 BC7 A K64 N67 G68 G69 F70 M71 V162 N163 H164 G165 F211 K65 N68 G69 G70 F71 M72 V163 N164 H165 G166 F212 MOAD: ic50=0.15uM
PDBbind-CN: -logKd/Ki=6.82,IC50=0.15uM
BindingDB: IC50=150nM
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:5qc4, PDBe:5qc4, PDBj:5qc4
PDBsum5qc4
PubMed20188543
UniProtP25774|CATS_HUMAN Cathepsin S (Gene Name=CTSS)

[Back to BioLiP]