SMTL ID : 9jrc.1

Crystal structure of SARS-CoV-2 receptor-binding domain complexed with squirrel ACE2

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.16 Å

Oligo State

hetero-1-1-mer

Ligands

1 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 2 residues within 4Å: Chain A: V.299, N.305 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG- BMA: beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA.2: 5 residues within 4Å: Chain A: K.399, S.403, D.526, S.528, N.529 No protein-ligand interaction detected (PLIP)

4 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.3: 5 residues within 4Å: Chain A: N.36, T.38, E.40, N.41, R.323 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.36, A:T.38, A:E.40, A:N.41 NAG.4: 2 residues within 4Å: Chain A: N.73, T.75 No protein-ligand interaction detected (PLIP) NAG.5: 4 residues within 4Å: Chain A: D.132, E.133, A.136, N.137 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:A.136 Hydrogen bonds: A:E.133, A:E.133, A:E.133 NAG.7: 7 residues within 4Å: Chain B: F.6, G.7, F.10, N.11, V.35, L.36, S.39 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.39

1 x ZN: ZINC ION(Non-covalent)

ZN.6: 4 residues within 4Å: Chain A: H.357, E.358, H.361, E.385 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:H.361, A:E.385

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wang, C. et al., Cross-species recognition of squirrel ACE2 by the receptor binding domains of SARS-CoV-2, RaTG13, PCoV-GD and PCoV-GX. Structure (2025)

Release Date

2025-08-06

Peptides

Angiotensin-converting enzyme: A
Spike protein S1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
E

Angiotensin-converting enzyme

Spike protein S1