Structure of PDB 1fnt Chain I Binding Site BS01

Receptor Information

>1fnt Chain I (length=222) Species: 4932 (Saccharomyces cerevisiae)

TTIVGVKFNNGVVIAADTRSTQGPIVADKNCAKLHRISPKIWCAGAGTAA
DTEAVTQLIGSNIELHSLYTSREPRVVSALQMLKQHLFKYQGHIGAYLIV
AGVDPTGSHLFSIHAHGSTDVGYYLSLGSGSLAAMAVLESHWKQDLTKEE
AIKLASDAIQAGIWNDLGSGSNVDVCVMEIGKDAEYLRNYLTPNVREEKQ
KSYKFPRGTTAVLKESIVNICD

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 1fnt Chain I Residue 1001

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1fnt Structural basis for the activation of 20S proteasomes by 11S regulators.
• Resolution: 3.2 Å
• Binding residue (original residue number in PDB): I163 D166 L167
• Binding residue (residue number reindexed from 1): I163 D166 L167
• Annotation score: 4

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:0004298 threonine-type endopeptidase activity

Biological Process

• GO:0051603 proteolysis involved in protein catabolic process

Cellular Component

• GO:0005839 proteasome core complex

External links

• PDB: RCSB:1fnt, PDBe:1fnt, PDBj:1fnt
• PDBsum: 1fnt
• PubMed: 11081519
• UniProt: P25043|PSB2_YEAST Proteasome subunit beta type-2 (Gene Name=PUP1)