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Structure of HKU1B RBD with TMPRSS2

Electron Microscopy
3.95Å resolution
PDB entry 8yqq coloured by chain, front view.
PDB entry 8yqq coloured by chain, side view.
PDB entry 8yqq coloured by chain, top view.
Source organisms:
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Spike protein S1 and Transmembrane protease serine 2 non-catalytic chain
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Multimeric state: hetero dimer
Accessible surface area: 30784.57 Å2
Buried surface area: 2512.05 Å2
Dissociation area: 737.99 Å2
Dissociation energy (ΔGdiss): -4.08 kcal/mol
Dissociation entropy (TΔSdiss): 13.18 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-271597

Macromolecules

Spike protein S1
Chain: A
Length: 285 amino acids
Theoretical weight: 31.7 KDa
Source organism: Candidatus Accumulibacter adiacens
Expression system: Baculovirus expression vector pFastBac1-HM
UniProt:
  • Canonical: Q0ZME7 (Residues: 323-607; Coverage: 21%)
Gene names: 3, S
Pfam: Betacoronavirus spike glycoprotein S1, receptor binding
Spike protein S1 in PDB entry 8yqq, assembly 1, front view.
Spike protein S1 in PDB entry 8yqq, assembly 1, side view.
Spike protein S1 in PDB entry 8yqq, assembly 1, top view.
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Transmembrane protease serine 2 non-catalytic chain
Chain: B
Length: 384 amino acids
Theoretical weight: 42.38 KDa
Source organism: Homo sapiens
Expression system: Baculovirus expression vector pFastBac1-HM
UniProt:
  • Canonical: O15393 (Residues: 109-492; Coverage: 78%)
Gene names: PRSS10, TMPRSS2
Pfam:
Transmembrane protease serine 2 non-catalytic chain in PDB entry 8yqq, assembly 1, front view.
Transmembrane protease serine 2 non-catalytic chain in PDB entry 8yqq, assembly 1, side view.
Transmembrane protease serine 2 non-catalytic chain in PDB entry 8yqq, assembly 1, top view.
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