Structure of PDB 4y8i Chain b

Receptor sequence
>4y8ib (length=196) Species: 559292 (Saccharomyces cerevisiae S288C) [Search protein sequence]
TSIMAVTFKDGVILGADSRTTTGAYIANRVTDKLTRVHDKIWCCRSGSAA
DTQAIADIVQYHLELYTSQYGTPSTETAASVFKELCYENKDNLTAGIIVA
GYDDKNKGEVYTIPLGGSVHKLPYAIAGSGSTFIYGYCDKNFRENMSKEE
TVDFIKHSLSQAIKWDGSSGGVIRMVVLTAAGVERLIFYPDEYEQL
3D structure
PDB4y8i Systematic Analyses of Substrate Preferences of 20S Proteasomes Using Peptidic Epoxyketone Inhibitors.
Chainb
Resolution2.6 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.4.25.1: proteasome endopeptidase complex.
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 T1 T20 T21 G47 A49 T1 T20 T21 G47 A49
BS02 MG b T1 S168 T1 S168
Gene Ontology
Molecular Function
GO:0004175 endopeptidase activity
GO:0004298 threonine-type endopeptidase activity
GO:0005515 protein binding
Biological Process
GO:0006508 proteolysis
GO:0010499 proteasomal ubiquitin-independent protein catabolic process
GO:0043161 proteasome-mediated ubiquitin-dependent protein catabolic process
GO:0051603 proteolysis involved in protein catabolic process
Cellular Component
GO:0000502 proteasome complex
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005839 proteasome core complex
GO:0019774 proteasome core complex, beta-subunit complex
GO:0034515 proteasome storage granule

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4y8i, PDBe:4y8i, PDBj:4y8i
PDBsum4y8i
PubMed26020686
UniProtP38624|PSB1_YEAST Proteasome subunit beta type-1 (Gene Name=PRE3)

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