Structure of PDB 3nzx Chain K

Receptor sequence
>3nzxK (length=212) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
TTTLAFRFQGGIIVAVDSRATAGNWVASQTVKKVIEINPFLLGTMAGGAA
DCQFWETWLGSQCRLHELREKERISVAAASKILSNLVYQYKGAGLSMGTM
ICGYTRKEGPTIYYVDSDGTRLKGDIFCVGSGQTFAYGVLDSNYKWDLSV
EDALYLGKRSILAAAHRDAYSGGSVNLYHVTEDGWIYHGNHDVGELFWKV
KEEEGSFNNVIG
3D structure
PDB3nzx 20S proteasome inhibition: designing noncovalent linear peptide mimics of the natural product TMC-95A.
ChainK
Resolution2.7 Å
3D
structure
Catalytic site residues are labeled in the 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
Catalytic site (original residue number in PDB) T1 D17 R19 K33 G47 S129 D166 S169
Catalytic site (residue number reindexed from 1) T1 D17 R19 K33 G47 S131 D168 S171
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 K A20 T21 G47 G48 A49 A20 T21 G47 G48 A49
BS02 peptide K V31 G47 A49 V31 G47 A49
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
GO:0080129 proteasome core complex assembly
Cellular Component
GO:0000502 proteasome complex
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005777 peroxisome
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:3nzx, PDBe:3nzx, PDBj:3nzx
PDBsum3nzx
PubMed20715286
UniProtP30656|PSB5_YEAST Proteasome subunit beta type-5 (Gene Name=PRE2)

[Back to BioLiP]