Structure of PDB 1i4o Chain A Binding Site BS01

Receptor Information
>1i4o Chain A (length=235) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VPTYQYNMNFEKLGKCIIINNKNFDKVTGMGVRNGTDKDAEALFKCFRSL
GFDVIVYNDCSCAKMQDLLKKASEEDHTNAACFACILLSHGEENVIYGKD
GVTPIKDLTAHFRGDRCKTLLEKPKLFFIQACRGTELDDGIQYKIPVEAD
FLFAYSTVPGYYSWRSPGRGSWFVQALCSILEEHGKDLEIMQILTRVNDR
VARHFESQSDDPHFHEKKQIPCVVSMLTKELYFSQ
Ligand information
Receptor-Ligand Complex Structure
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PDB1i4o Structural basis of caspase inhibition by XIAP: differential roles of the linker versus the BIR domain.
Resolution2.4 Å
Binding residue
(original residue number in PDB)
G83 M84 G85 H144 Y230 W232 R233 W240 S275 Q276 S277 F282
Binding residue
(residue number reindexed from 1)
G29 M30 G31 H90 Y162 W164 R165 W172 S207 Q208 S209 F214
Enzymatic activity
Catalytic site (original residue number in PDB) G85 V86 H144 G145 C186
Catalytic site (residue number reindexed from 1) G31 V32 H90 G91 C132
Enzyme Commision number 3.4.22.60: caspase-7.
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0004190 aspartic-type endopeptidase activity
GO:0004197 cysteine-type endopeptidase activity
GO:0005515 protein binding
GO:0008233 peptidase activity
GO:0008234 cysteine-type peptidase activity
GO:0097153 cysteine-type endopeptidase activity involved in apoptotic process
GO:0097200 cysteine-type endopeptidase activity involved in execution phase of apoptosis
Biological Process
GO:0006508 proteolysis
GO:0006915 apoptotic process
GO:0007507 heart development
GO:0009411 response to UV
GO:0016485 protein processing
GO:0030163 protein catabolic process
GO:0042742 defense response to bacterium
GO:0043525 positive regulation of neuron apoptotic process
GO:0044346 fibroblast apoptotic process
GO:0051146 striated muscle cell differentiation
GO:0051402 neuron apoptotic process
GO:0051604 protein maturation
GO:0070227 lymphocyte apoptotic process
GO:0071222 cellular response to lipopolysaccharide
GO:0071887 leukocyte apoptotic process
GO:0072734 cellular response to staurosporine
GO:0097194 execution phase of apoptosis
GO:1905686 positive regulation of plasma membrane repair
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:1i4o, PDBe:1i4o, PDBj:1i4o
PDBsum1i4o
PubMed11257231
UniProtP55210|CASP7_HUMAN Caspase-7 (Gene Name=CASP7)

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