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The crystal structure of hemagglutinin from A/HONG KONG/125/2017 influenza virus in complex with lstb

Analyse The crystal structure of hemagglutinin from A/HONG KONG/125/2017 influenza… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6D8D
Type
protein
Length
1,461 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Hemagglutinin HA1 chain; Hemagglutinin HA2 chain
UniProt
A0A2I7YV81, A0A218MY65
Ligands
NAG, GAL, SIA
Pockets
20 · best druggability 0.86

Structure

x-ray diffraction · 2 distinct chains · 23% helix, 27% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, C, EHemagglutinin HA1 chainprotein3168% helix, 36% strandA0A2I7YV81
B, D, FHemagglutinin HA2 chainprotein17153% helix, 11% strandA0A218MY65

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 9 copies · chains A, C, E, B, D, F
  • GAL · beta-D-galactopyranose · sugar · 6 copies · chains A, C, E
  • SIA · N-acetyl-alpha-neuraminic acid · sugar · 3 copies · chains A, C, E

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

Pockets

20 pockets found on a 1 Å grid, 18 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
12350.860.9825empty
21660.810.9626empty
31670.810.9626empty
41880.800.9530empty
51610.800.9625empty

Interfaces

15 interfaces between chains.

  • A–B · 3117 Ų buried · 51 hydrogen bonds · protein-protein
  • E–F · 3112 Ų buried · 49 hydrogen bonds · protein-protein
  • C–D · 3102 Ų buried · 52 hydrogen bonds · protein-protein
  • B–D · 1489 Ų buried · 16 hydrogen bonds · protein-protein
  • D–F · 1484 Ų buried · 16 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 18 disulfide, 6 glycan (disulfide, N-glycosylation).

Compared structures

  • 6D8D · The crystal structure of hemagglutinin from A/Hong Kong/125/2017 influenza virus in… · the same entry in another collection · chain A against A, TM-score 1.00

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