Structure of PDB 8qtg Chain A Binding Site BS03

Receptor Information

>8qtg Chain A (length=384) Species: 9606 (Homo sapiens)

KQAAADRRTVEKTWKLMDKVVRLCQNPKLQLKNSPPYILDILPDTYQHLR
LILSKYDDNQKLAQLSENEYFKIYIDSLMKKSKRAIRLFKEGKERMYEEQ
SQDRRNLTKLSLIFSHMLAEIKAIFPNGQFQGDNFRITKADAAEFWRKFF
GDKTIVPWKVFRQCLHEVHQISSGLEAMALKSTIDLTCNDYISVFEFDIF
TRLFQPWGSILRNWNFLAVTHPGYMAFLTYDEVKARLQKYSTKPGSYIFR
LSCTRLGQWAIGYVTGDGNILQTIPHNKPLFQALIDGSREGFYLYPDGRS
YNPDLTGLCEKVTQEQYELYCEMGSTFQLCKICAENDKDVKIEPCGHLMC
TSCLTAWQESDGQGCPFCRCEIKGTEPIIVDPFD

Ligand information

• Ligand ID: ZN
• InChI: InChI=1S/Zn/q+2
• InChIKey: PTFCDOFLOPIGGS-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Zn++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Zn+2]
• Formula: Zn
• Name: ZINC ION
• ChEMBL: CHEMBL1236970
• DrugBank: DB14532
• PDB chain: 8qtg Chain A Residue 503

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8qtg Discovery, Optimization, and Biological Evaluation of Arylpyridones as Cbl-b Inhibitors.
• Resolution: 1.419 Å
• Binding residue (original residue number in PDB): C388 H390 C408 C411
• Binding residue (residue number reindexed from 1): C345 H347 C365 C368
• Annotation score: 4

Enzymatic activity

• Enzyme Commision number: 2.3.2.27: RING-type E3 ubiquitin transferase.

Gene Ontology

Molecular Function

• GO:0001784 phosphotyrosine residue binding
• GO:0004842 ubiquitin-protein transferase activity
• GO:0005509 calcium ion binding
• GO:0046872 metal ion binding

Biological Process

• GO:0007166 cell surface receptor signaling pathway
• GO:0023051 regulation of signaling

External links

• PDB: RCSB:8qtg, PDBe:8qtg, PDBj:8qtg
• PDBsum: 8qtg
• PubMed: 38227216
• UniProt: Q13191|CBLB_HUMAN E3 ubiquitin-protein ligase CBL-B (Gene Name=CBLB)