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Entry information

Complex
AACDB_ID: 6860
PDBID: 4HKX
Chains: AB_E
Organism: Influenza A virus (A/Solomon Islands/3/2006(H1N1)), Homo sapiens
Method: XRD
Resolution (Å): 2.50
Reference: 10.1073/pnas.1218256109
Antibody
Antibody: CH67 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Influenza A virus H1N1 hemagglutinin HA1
Antigen mutation: No
Durg Target:

Sequence information

Antibody

Heavy Chain: A
Mutation: NULL

>4HKX_A|Chain B[auth A]|CH67 heavy chain|Homo sapiens (9606)
QVQLVQSGAEVRKPGASVKVSCKASGYTFTDNYIHWVRQAPGQGLEWMGWIHPNSGATKYAQKFEGWVTMTRDTSISTVYMELSRSRSDDTAVYYCARAGLEPRSVDYYFYGLDVWGQGTAVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDK

Light Chain: B
Mutation: NULL

>4HKX_B|Chain C[auth B]|CH67 light chain|Homo sapiens (9606)
QSALTQPPSVSVAPGQTATITCGGNNIGRKRVDWFQQKPGQAPVLVVYEDSDRPSGIPERFSDSNSGTTATLTISRVEAGDEADYYCQVWDSDSDHVVFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS

Antigen

Chain: E
Mutation: NULL

>4HKX_E|Chain A[auth E]|Hemagglutinin HA1|Influenza A virus (464623)
ADPGYLLEAPLQLGNCSVAGWILGNPECELLISRESWSYIVEKPNPENGTCYPGHFADYEELREQLSSVSSFERFEIFPKESSWPNHTTTGVSASCSHNGESSFYKNLLWLTGKNGLYPNLSKSYANNKEKEVLVLWGVHHPPNIGDQRALYHTENAYVSVVSSHYSRKFTPEIAKRPKVRDQEGRINYYWTLLEPGDTIIFEANGNLIAPRYAFALSRG

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

A: THR30 ASP31 TYR33 TRP50 HIS52 ASN54 SER55 LYS59 ARG104 SER105 VAL106 ASP107 TYR109 TYR111

B: ASN26 ARG29 TRP90 SER92 ASP93 ASP95

E: TYR95 THR131 GLY134 VAL135 SER136 ALA137 SER145 TRP153 THR155 GLY156 ASN158 GLY159 LEU160 ASN187 ILE188 GLY189 ASP190 ARG192 ALA193 LEU194 HIS196 LYS219 LYS222 ASP225 GLN226

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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