Structure of PDB 1fnt Chain X

Receptor sequence
>1fntX (length=204) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
SDPSSINGGIVVAMTGKDCVAIACDLRLGSQSLGVSNKFEKIFHYGHVFL
GITGLATDVTTLNEMFRYKTNLYKLKEERAIEPETFTQLVSSSLYERRFG
PYFVGPVVAGINSKSGKPFIAGFDLIGCIDEAKDFIVSGTASDQLFGMCE
SLYEPNLEPEDLFETISQALLNAADRDALSGWGAVVYIIKKDEVVKRYLK
MRQD
3D structure
PDB1fnt Structural basis for the activation of 20S proteasomes by 11S regulators.
ChainX
Resolution3.2 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.4.99.46: Transferred entry: 3.4.25.1.
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 MG X G131 S134 G139 S142
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1fnt, PDBe:1fnt, PDBj:1fnt
PDBsum1fnt
PubMed11081519
UniProtP25451|PSB3_YEAST Proteasome subunit beta type-3 (Gene Name=PUP3)

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