Structure of PDB 5cz7 Chain Y Binding Site BS01

Receptor Information

>5cz7 Chain Y (length=217) Species: 559292 (Saccharomyces cerevisiae S288C)

KIAHGATTLAFRFQGGIIVAVDSRATAGNWVASQTVKKVIEINPFLLGTM
AGGAADCQFWETWLGSQCRLHELREKERISVAAASRILSNLVYQYKGAGL
SMGTMICGYTRKEGPTIYYVDSDGTRLKGDIFCVGSGQTFAYGVLDSNYK
WDLSVEDALYLGKRSILAAAHRDAYSGGSVNLYHVTEDGWIYHGNHDVGE
LFWKVKEEEGSFNNVIG

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: 5cz7 Chain I Residue 303

Receptor-Ligand Complex Structure

Structure summary

• PDB: 5cz7 A unified mechanism for proteolysis and autocatalytic activation in the 20S proteasome.
• Resolution: 2.5 Å
• Binding residue (original residue number in PDB): A165 D168 A169 S171
• Binding residue (residue number reindexed from 1): A170 D173 A174 S176
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): A1 D17 R19 K33 G47 S131 D168 S171
• Catalytic site (residue number reindexed from 1): A6 D22 R24 K38 G52 S136 D173 S176
• 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:5cz7, PDBe:5cz7, PDBj:5cz7
• PDBsum: 5cz7
• PubMed: 26964885
• UniProt: P30656|PSB5_YEAST Proteasome subunit beta type-5 (Gene Name=PRE2)