National Center for
Biotechnology Information

8SIR: Crystal structure of SARS-CoV-2 spike receptor-binding domain in complex with broadly neutralizing antibody CC25.54 Fab

PDB ID:

MMDB ID:

244040

PDB Deposition Date:

2023/4/16

Updated in MMDB:

2025/08

Experimental Method:

x-ray diffraction

Resolution:

3.3 Å

Source Organism:

Severe acute respiratory syndrome coronavirus 2▼

Taxonomy	Molecule
Severe acute respiratory syndrome coronavirus 2	A
Homo sapiens	H, L

Similar Structures:

Biological Unit for 8SIR: trimeric; determined by author

Molecular Components in 8SIR
Label	Count	Molecule
Proteins (3 molecules)
A	1	Spike Protein S1
H	1	Cc25.54 FAB Heavy Chain
L	1	Cc25.54 FAB Light Chain
Chemical and Non-standard biopolymers (1 molecule)
1	1	2-acetamido-2-deoxy-beta-D-glucopyranose

* Click molecule labels to explore molecular sequence information.

Citing MMDB