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Entry information

Complex
AACDB_ID: 6685
PDBID: 3SDY
Chains: HL_A
Organism: Influenza A virus (A/Hong Kong/1/1968(H3N2)), Homo sapiens
Method: XRD
Resolution (Å): 2.85
Reference: 10.1126/science.1204839
Antibody
Antibody: CR8020 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Influenza A virus H3N2 hemagglutinin HA1
Antigen mutation: No
Durg Target: P03437

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>3SDY_H|Chain C[auth H]|Antibody CR8020, Heavy Chain|Homo sapiens (9606)
QVQLQQSGAEVKTPGASVKVSCKASGYTFTSFGVSWIRQAPGQGLEWIGWISAYNGDTYYAQKFQARVTMTTDTSTTTAYMEMRSLRSDDTAVYYCAREPPLFYSSWSLDNWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDK

Light Chain: L
Mutation: NULL

>3SDY_L|Chain D[auth L]|Antibody CR8020, Light Chain|Homo sapiens (9606)
QEIVMTQSPGTLSLSPGERATLSCRASQSVSMNYLAWFQQKPGQAPRLLIYGASRRATGIPDRISGSGSGTDFTLTISRLEPADFAVYYCQQYGTSPRTFGQGAKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Antigen

Chain: A
Mutation: NULL

>3SDY_A|Chain A|Hemagglutinin HA1 chain|Influenza A virus (506350)
ADPGATLCLGHHAVPNGTLVKTITDDQIEVTNATELVQSSSTGKICNNPHRILDGIDCTLIDALLGDPHCDVFQNETWDLFVERSKAFSNCYPYDVPDYASLRSLVASSGTLEFITEGFTWTGVTQNGGSNACKRGPGSGFFSRLNWLTKSGSTYPVLNVTMPNNDNFDKLYIWGVHHPSTNQEQTSLYVQASGRVTVSTRRSQQTIIPNIGSRPWVRGLSSRISIYWTIVKPGDVLVINSNGNLIAPRGYFKMRTGKSSIMRSDAPIDTCISECITPNGSIPNDKPFQNVNKITYGACPKYVKQNTLKLATGMRNVPEKQTR

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)

H: GLY26 TYR27 THR28 THR30 SER31 TYR53

A: PRO21 GLU325 GLN327

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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