Structure of PDB 4gk7 Chain N Binding Site BS01

Receptor Information

>4gk7 Chain N (length=196) Species: 559292 (Saccharomyces cerevisiae S288C)

TSIMAVTFKDGVILGADSRTTTGAYIANRVTDKLTRVHDKIWCCRSGSAA
DTQAIADIVQYHLELYTSQYGTPSTETAASVFKELCYENKDNLTAGIIVA
GYDDKNKGEVYTIPLGGSVHKLPYAIAGSGSTFIYGYCDKNFRENMSKEE
TVDFIKHSLSQAIKWDGSSGGVIRMVVLTAAGVERLIFYPDEYEQL

Ligand information

>4gk7 Chain 3 (length=3) Species: 32630 (synthetic construct)

tTK

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4gk7 Activity enhancement of the synthetic syrbactin proteasome inhibitor hybrid and biological evaluation in tumor cells.
• Resolution: 2.8 Å
• Binding residue (original residue number in PDB): T20 T21 T22 G47
• Binding residue (residue number reindexed from 1): T20 T21 T22 G47

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 S129 D166 S169
• Enzyme Commision number: 3.4.25.1: proteasome endopeptidase complex.

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

External links

• PDB: RCSB:4gk7, PDBe:4gk7, PDBj:4gk7
• PDBsum: 4gk7
• PubMed: 22870914
• UniProt: P38624|PSB1_YEAST Proteasome subunit beta type-1 (Gene Name=PRE3)