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Entry information

Complex
AACDB_ID: 584
PDBID: 3LZF
Chains: HL_A
Organism: Influenza A virus (A/South Carolina/1/1918(H1N1)), Homo sapiens
Method: XRD
Resolution (Å): 2.80
Reference: 10.1126/science.1186430
Antibody
Antibody: 2D1 Fab
Antibody mutation: No
INN (Clinical Trial):
Antigen
Antigen: Influenza A virus H1N1 hemagglutinin
Antigen mutation: No
Durg Target:

Sequence information

Antibody

Heavy Chain: H
Mutation: NULL

>3LZF_H|Chain C[auth H]|2D1 Fab, Heavy Chain|Homo sapiens (9606)
EVQLVESGPALVKPTQTLTLTCSFSGFSLSTSGMSVSWIRQPPGKALEWLALIDWDDDTYYITYSSSLKTRLTISKDTSKSQVVLTMTNMDPVDTATYYCARTLRVSGDYVRDFDLWGRGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSC

Light Chain: L
Mutation: NULL

>3LZF_L|Chain D[auth L]|2D1 Fab, Light Chain|Homo sapiens (9606)
QPVLTQPPSASGTPGQRVTISCSGSSSNIGSNTVSWYQQVPGTAPKLLIYGNNERPSGVPDRFSGSKSATSASLAISGLQSEDEADYYCAAWDDSLNGFWVFGGGTKLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHKSYSCQVTHEGSTVEKTVAPTECS

Antigen

Chain: A
Mutation: NULL

>3LZF_A|Chain A|Hemagglutinin, HA1 Subunit|Influenza A virus (59375)
ADPGDTICIGYHANNSTDTVDTVLEKNVTVTHSVNLLEDSHNGKLCKLKGIAPLQLGKCNIAGWLLGNPECDLLLTASSWSYIVETSNSENGTCYPGDFIDYEELREQLSSVSSFEKFEIFPKTSSWPNHETTKGVTAACSYAGASSFYRNLLWLTKKGSSYPKLSKSYVNNKGKEVLVLWGVHHPPTGTDQQSLYQNADAYVSVGSSKYNRRFTPEIAARPKVRDQAGRMNYYWTLLEPGDTITFEATGNLIAPWYAFALNRGSGSGIITSDAPVHDCNTKCQTPHGAINSSLPFQNIHPVTIGECPKYVRSTKLRMATGLRNIPSIQSR

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: THR31 SER32 GLY33 LEU50 ASP53 ASP54 THR56 TYR58 THR95 ARG97 VAL98 SER99

L: GLY29 SER30 ASN31 THR32 LYS66 ALA68 THR69 TRP91 ASP93

A: PHE124 SER125 SER126 TRP127 PRO128 ASN129 GLU131 LYS157 GLY158 SER159 SER160 TYR161 PRO162 LYS163 SER165 LYS166 SER167 TYR168 VAL169 ASN171 GLN196 ASN197 GLU246 THR248

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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