Structure of PDB 1rhq Chain A

Receptor sequence
>1rhqA (length=140) Species: 9606 (Homo sapiens) [Search protein sequence]
DNSYKMDYPEMGLCIIINNKNFHKSTGMTSRSGTDVDAANLRETFRNLKY
EVRNKNDLTREEIVELMRDVSKEDHSKRSSFVCVLLSHGEEGIIFGTNGP
VDLKKITNFFRGDRCRSLTGKPKLFIIQACRGTELDCGIE
3D structure
PDB1rhq Reducing the Peptidyl Features of Caspase-3 Inhibitors: A Structural Analysis.
ChainA
Resolution3.0 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) T177 S178 H237 G238 C285 R286
Catalytic site (residue number reindexed from 1) T29 S30 H88 G89 C130 R131
Enzyme Commision number 3.4.22.56: caspase-3.
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 0ZZ A R179 S236 H237 G238 E239 F244 A284 C285 R31 S87 H88 G89 E90 F95 A129 C130 PDBbind-CN: -logKd/Ki=7.75,IC50=17.7nM
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:1rhq, PDBe:1rhq, PDBj:1rhq
PDBsum1rhq
PubMed15115390
UniProtP42574|CASP3_HUMAN Caspase-3 (Gene Name=CASP3)

[Back to BioLiP]