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Entry information

Complex
AACDB_ID: 6202
PDBID: 8FXC
Chains: HL_E
Organism: Homo sapiens, Severe acute respiratory syndrome coronavirus 2
Method: EM
Resolution (Å): 3.20
Reference: 10.1038/s41586-023-06487-6
Antibody
Antibody: S309 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: SARS-CoV-2 BQ.1.1 spike glycoprotein RBD
Antigen mutation: No
Durg Target:

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>8FXC_H|Chain B[auth H]|S309 Heavy chain|Homo sapiens (9606)
QVQLVQSGAEVKKPGASVKVSCKASGYPFTSYGISWVRQAPGQGLEWMGWISTYNGNTNYAQKFQGRVTMTTDTSTTTGYMELRRLRSDDTAVYYCARDYTRGAWFGESLIGGFDNWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLAGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPLPEEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVLHEALHSHYTQKSLSLSPGK

Light Chain: L
Mutation: NULL

>8FXC_L|Chain A[auth L]|S309 Light chain|Homo sapiens (9606)
EIVLTQSPGTLSLSPGERATLSCRASQTVSSTSLAWYQQKPGQAPRLLIYGASSRATGIPDRFSGSGSGTDFTLTISRLEPEDFAVYYCQQHDTSLTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Antigen

Chain: E
Mutation: NULL

>8FXC_E|Chain D[auth E]|Spike protein S1|Severe acute respiratory syndrome coronavirus 2 (2697049)
MARAWIFFLLCLAGRALARFPNITNLCPFDEVFNATTFASVYAWNRKRISNCVADYSVLYNFAPFFAFKCYGVSPTKLNDLCFTNVYADSFVIRGNEVSQIAPGQTGNIADYNYKLPDDFTGCVIAWNSNKLDSTVGGNYNYRYRLFRKSKLKPFERDISTEIYQAGNKPCNGVAGVNCYFPLQSYGFRPTYGVGHQPYRVVVLSFELLHAPATVCGPKKSTGGLNDIFEAQKIEWHEGSGHHHHHHHH

Interaction

1、Solvent accessible surface areas (SASA) were calculated (Naccess V2.1.1) for each residue in antibody and antigen, respectively. The residues with SASA loss in binding of more than 1Å2 were classified as interacting residues.

Interacting residues (ΔSASA based)

L: SER30 SER31 THR32 SER33 TYR50

H: PRO28 THR30 SER31 TYR54 TYR100 GLY103 ALA104 TRP105 PHE106 GLU108 SER109 LEU110 ILE111

E: ASN334 LEU335 PRO337 ASP339 GLU340 VAL341 ASN343 ALA344 THR345 THR346 LYS356 ARG357 ILE358 SER359 ASN360 CYS361 LYS440 LEU441 ARG509

2、We defined interacting paratope-epitope residues by a distance cutoff of < 5Å . Two amino acids are considered as interacting residues if they have at least one atom within a distance of 5 Å from any atom.

Interacting residues (Atom distance based)

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