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Human antibody D2 H1-1/H3-1 H3 in complex with the influenza hemagglutinin head domain of A/TEXAS/50/2012(H3N2)

Analyse Human antibody D2 H1-1/H3-1 H3 in complex with the influenza hemagglutinin head… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6XPR
Type
protein
Length
1,407 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Hemagglutinin; Antibody D2 H1-1/H3-1 H3 heavy chain; Antibody D2 H1-1/H3-1 H3 light chain
UniProt
R4L1D1
Ligands
NAG, BMA
Pockets
11 · best druggability 0.63

Structure

x-ray diffraction · 4 distinct chains · 8% helix, 43% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, DHemagglutininprotein26912% helix, 36% strandR4L1D1
BAntibody D2 H1-1/H3-1 H3 heavy chainprotein2267% helix, 46% strand—
C, FAntibody D2 H1-1/H3-1 H3 light chainprotein2116% helix, 45% strand—
EAntibody D2 H1-1/H3-1 H3 heavy chainprotein2217% helix, 48% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 9 copies · chains A, D
  • BMA · beta-D-mannopyranose · sugar · 2 copies

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

11 pockets found on a 1 Å grid, 6 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
15450.630.7545empty
23520.620.7840empty
33880.620.7748empty
42810.560.7628empty
52420.520.7628empty

Interfaces

7 interfaces between chains.

  • B–C · 2058 Ų buried · 17 hydrogen bonds · protein-protein
  • E–F · 1963 Ų buried · 15 hydrogen bonds · protein-protein
  • A–D · 517 Ų buried · 0 hydrogen bonds · protein-protein
  • D–E · 498 Ų buried · 7 hydrogen bonds · protein-protein
  • A–B · 478 Ų buried · 9 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 16 disulfide, 6 glycan (disulfide, N-glycosylation).

Compared structures

  • 6XPR · Human antibody D2 H1-1/H3-1 H3 in complex with the influenza hemagglutinin head domain of… · the same entry in another collection · chain A against A, TM-score 1.00

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