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Entry information

Complex
AACDB_ID: 1964
PDBID: 5XKU
Chains: CB_A
Organism: Influenza A virus, Homo sapiens
Method: XRD
Resolution (Å): 1.78
Reference: 10.1128/JVI.01850-17
Antibody
Antibody: HNIgGA6 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Influenza A virus H7N9 hemagglutinin
Antigen mutation: No
Durg Target:

Sequence information

Antibody

Heavy Chain: C
Mutation: NULL

>5XKU_C|Chain C|HNIgGA6 heavy chain|Homo sapiens (9606)
SQVQLQESGPGLVKPSETLSLTCTVSGGSISSGGYYWSWIRQHPGKGLEWIGYIYYSGSTDYNPSLKSRVTISVDTSKNQFSLKLSSVTAADTAVYYCAGGSTGDRHYYYYGMDVWGQGTTVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKTS

Light Chain: B
Mutation: NULL

>5XKU_B|Chain B|HNIgGA6 light chain|Homo sapiens (9606)
PGADCDIQMTQSPSSLSASVGDRVTITCRASQSISSYLNWYQQKPGKAPKLLIYAASSLQSGVPSRFSGSGSGTDFTLTISSLQPEDFATYYCQQSYSTPPAFGQGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

Antigen

Chain: A
Mutation: NULL

>5XKU_A|Chain A|Influenza a virus|Influenza A virus (11320)
MDKICLGHHAVSNGTKVNTLTERGVEVVNATETVERTNIPRICSKGKRTVDLGQCGLLGTITGPPQCDQFLEFSADLIIERREGSDVCYPGKFVNEEALRQILRESGGIDKEAMGFTYSGIRTNGATSACRRSGSSFYAEMKWLLSNTDNAAFPQMTKSYKNTRKSPALIVWGIHHSVSTAEQTKLYGSGNKLVTVGSSNYQQSFVPSPGARPQVNGLSGRIDFHWLMLNPNDTVTFSFNGAFIAPDRASFLRGKSMGIQSGVQVDANCEGDCYHSGGTIISNLPFQNIDSRAVGKCPRYVKQRSLLLATGMKNVPEIPKGRHHHHHH

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)

Chain residues position delta_SASA : residuesposition

B: SER26 SER28 TYR30 TYR47 SER51 TYR90

C: SER27 GLY28 GLY29 TYR50 TYR51 SER97 THR98 GLY99 ASP100 ARG101 HIS102 TYR103 TYR104 TYR106 ASP109

A: TYR98 ARG131 ALA135 THR136 SER137 ARG140 GLY144 SER145 TRP153 LEU155 ASN158 HIS183 VAL186 SER187 GLU190 LYS193 LEU194 ALA219 ARG220 PRO221 GLN222 GLY225 LEU226 SER227 GLY228

2、We defined interacting paratope-epitope residues by a distance cutoff of < 6 Å . Two amino acids are considered as interacting residues if they have at least one atom within a distance of 6 Å from any atom.

Interacting residues (Atom distance based)

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