Function Annotation for BL1921




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Receptor

Assembly ID: 1a9m_1

Stoichiometry type: Homo 2-mer -A2
Assembly defined by: Author and software
PDB ID: 1a9m
Experimental method: X-RAY DIFFRACTION
Resolution: 2.3 Å
UniProt ID: P03366
PubMed ID: 9450540

Ligand

Ligand ID: U0E
Ligand name: N-[[1-[n-acetamidyl]-[1-cyclohexylmethyl-2-hydroxy-4-isopropyl]-but-4-yl]-carbonyl]-glutaminyl-arginyl-amide
Biological relevance: Relevant

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Ligand ID Name SynonymsFormula 2D structure
U0E N-[[1-[n-acetamidyl]-[1-cyclohexylmethyl-2-hydroxy-4-isopropyl]-but-4-yl]-carbonyl]-glutaminyl-arginyl-amide "C28 H52 N8 O6" N/A


Binding affinity

Experimental affinity Ki=119nM, from BindingMOAD
Ki=119nM, from PDBbind-CN
Predicted affinity 93.97 nM, show detail

Surface area (A2)

Surface area of receptor 9780.79
Surface area of ligand 843.62
Surface area of complex 9365.15
Interface area 629.63
Reference

  • Wei et al, Q-BioLiP: A Comprehensive Resource for Quaternary Structure-based Protein–ligand Interactions, Genomics, Proteomics & Bioinformatics, 22(1), qzae001, 2024. (PDF)