Structure of PDB 4qw7 Chain I

Receptor sequence
>4qw7I (length=204) Species: 559292 (Saccharomyces cerevisiae S288C) [Search protein sequence]
SDPSSINGGIVVAMTGKDCVAIACDLRLGSQSLGVSNKFEKIFHYGHVFL
GITGLATDVTTLNEMFRYKTNLYKLKEERAIEPETFTQLVSSSLYERRFG
PYFVGPVVAGINSKSGKPFIAGFDLIGCIDEAKDFIVSGTASDQLFGMCE
SLYEPNLEPEDLFETISQALLNAADRDALSGWGAVVYIIKKDEVVKRYLK
MRQD
3D structure
PDB4qw7 Bortezomib-Resistant Mutant Proteasomes: Structural and Biochemical Evaluation with Carfilzomib and ONX 0914.
ChainI
Resolution2.7 Å
3D
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
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 3BV I D124 I126 D124 I126 PDBbind-CN: -logKd/Ki=6.28,IC50=0.521uM
BS02 MG I A174 D177 S180 A174 D177 S180
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0061133 endopeptidase activator activity
Biological Process
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

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:4qw7, PDBe:4qw7, PDBj:4qw7
PDBsum4qw7
PubMed25599643
UniProtP25451|PSB3_YEAST Proteasome subunit beta type-3 (Gene Name=PUP3)

[Back to BioLiP]