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Entry information

Complex
AACDB_ID: 779
PDBID: 4KHX
Chains: HL_A
Organism: Human immunodeficiency virus 1, Homo sapiens
Method: XRD
Resolution (Å): 2.92
Reference: 10.1371/journal.pone.0078187
Antibody
Antibody: 8062 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: HIV-1 gp41 helix
Antigen mutation: No
Durg Target: Q53I07; P35961;

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>4KHX_H|Chain B[auth H]|8062 heavy chain|Homo sapiens (9606)
QVQLVQSGAEVKKPGSSVKVSCKASGGTFNSYAFSWVRQAPGQGLEWMGSIIPLFGFVVYAQKFQGRVTITADESTSTAYMELSSLRSEDTAVYYCARYFDTYNNYGFANWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSEFEQKLISEEDLNGAPHHHHHH

Light Chain: L
Mutation: NULL

>4KHX_L|Chain C[auth L]|8062 light chain|Homo sapiens (9606)
DIELTQPPSVSVVPGQTARISCSGDNIPYEYASWYQQKPGQAPVLVIYGDNNRPSGIPERFSGSNSGNTATLTISGTQAEDEADYYCASWDSMTVDGVFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTEA

Antigen

Chain: A
Mutation: NULL

>4KHX_A|Chain A|gp41 helix|Human Immunodeficiency Virus 1 (11676)
GCCGGIKKEIEAIKKEQEAIKKKIEAIEKELSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARIL

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: ASN30 SER31 TYR32 ALA33 SER50 LEU53 PHE54 PHE56 VAL57 VAL58 TYR59 GLN64 TYR98 PHE99 ASP100 THR101 TYR102 ASN103 TYR105

L: TYR31 TRP90 SER92 MET93 THR94 VAL95

A: GLN49 HIS50 LEU51 GLN53 LEU54 THR55 TRP57 GLY58 LYS60 GLN61 LEU62 GLN63 ALA64 ARG65

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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