Structure of PDB 3kjq Chain A

Receptor sequence
>3kjqA (length=152) Species: 9606 (Homo sapiens) [Search protein sequence]
DKVYQMKSKPRGYCLIINNHNFAKAREKVPKLHSIRDRNGTHLDAGALTT
TFEELHFEIKPHDDCTVEQIYEILKIYQLMDHSNMDCFICCILSHGDKGI
IYGTDGQEAPIYELTSQFTGLKCPSLAGKPKVFFIQACQGDNYQKGIPVE
TD
3D structure
PDB3kjq Kinetic and structural characterization of caspase-3 and caspase-8 inhibition by a novel class of irreversible inhibitors.
ChainA
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R258 D259 H317 G318 C360 Q361
Catalytic site (residue number reindexed from 1) R36 D37 H95 G96 C138 Q139
Enzyme Commision number 3.4.22.61: caspase-8.
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 B94 A R258 R260 H317 C360 R36 R38 H95 C138 MOAD: Ki=1.32uM
PDBbind-CN: -logKd/Ki=5.88,Ki=1.32uM
BS02 B94 A Y334 T337 S338 Y112 T115 S116 MOAD: Ki=1.32uM
PDBbind-CN: -logKd/Ki=5.88,Ki=1.32uM
Gene Ontology
Molecular Function
GO:0004197 cysteine-type endopeptidase activity
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:3kjq, PDBe:3kjq, PDBj:3kjq
PDBsum3kjq
PubMed20580860
UniProtQ14790|CASP8_HUMAN Caspase-8 (Gene Name=CASP8)

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