Structure of PDB 1s4v Chain B

Receptor sequence
>1s4vB (length=226) Species: 3988 (Ricinus communis) [Search protein sequence]
TVPASVDWRKKGAVTSVKDQGQCGSCWAFSTIVAVEGINQIKTNKLVSLS
EQELVDCDTDQNQGCNGGLMDYAFEFIKQRGGITTEANYPYEAYDGTCDV
SKENAPAVSIDGHENVPENDENALLKAVANQPVSVAIDAGGSDFQFYSEG
VFTGSCGTELDHGVAIVGYGTTIDGTKYWTVKNSWGPEWGEKGYIRMERG
ISDKEGLCGIAMEASYPIKKSSNNPS
3D structure
PDB1s4v The 2.0 A crystal structure and substrate specificity of the KDEL-tailed cysteine endopeptidase functioning in programmed cell death of Ricinus communis endosperm.
ChainB
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Q20 C26 H162 N183
Catalytic site (residue number reindexed from 1) Q20 C26 H162 N183
Enzyme Commision number 3.4.22.-
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 peptide B G24 C26 G67 G68 D161 G24 C26 G67 G68 D161
Gene Ontology
Molecular Function
GO:0008234 cysteine-type peptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:1s4v, PDBe:1s4v, PDBj:1s4v
PDBsum1s4v
PubMed15037072
UniProtO65039|CYSEP_RICCO Vignain (Gene Name=CYSEP)

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