Structure of PDB 5l5i Chain K Binding Site BS02

Receptor Information

>5l5i Chain K (length=211) Species: 9606,559292

TTTLAFKFQHGVIAAVDSRASAGSYISALRVNKVIEINPYLLGTMSGCAA
DCQYWERLLAKECRLYYLRNGERISVSAASKLLSNMMCQYRGMGLSMGSM
ICGWDKKGPGLYYVDEHGTRLSGNMFSTGSGNTYAYGVLDSNYKWDLSVE
DALYLGKRSILAAAHRDAYSGGSVNLYHVTEDGWIYHGNHDVGELFWKVK
EEEGSFNNVIG

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: 5l5i Chain K Residue 302

Receptor-Ligand Complex Structure

Structure summary

• PDB: 5l5i A humanized yeast proteasome identifies unique binding modes of inhibitors for the immunosubunit beta 5i.
• Resolution: 2.9 Å
• Binding residue (original residue number in PDB): A164 D167 S170
• Binding residue (residue number reindexed from 1): A164 D167 S170
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): T1 D17 R19 K33 G47 S130 D167 S170
• Catalytic site (residue number reindexed from 1): T1 D17 R19 K33 G47 S130 D167 S170
• 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:5l5i, PDBe:5l5i, PDBj:5l5i
• PDBsum: 5l5i
• PubMed: 27789522
• UniProt: P28062|PSB8_HUMAN Proteasome subunit beta type-8 (Gene Name=PSMB8);
  P30656|PSB5_YEAST Proteasome subunit beta type-5 (Gene Name=PRE2)