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MolNFT v1 · #114495 · protein

Crystal structure of hemagglutinin of A/TAIWAN/2/2013 (H6N1) in complex with lstc

5BR6 · Hemagglutinin HA1 chain: “Crystal structure of hemagglutinin of A/TAIWAN/2/2013 (H6N1) in complex with lstc”. X-ray diffraction, 6 ligands (NAG, MAN, GAL), 6 pockets (best druggability 0.69). MolNFT v1 #114495 on GenesisL1: 3D…

PDB
5BR6
Type
protein
Length
994 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Hemagglutinin HA1 chain; Hemagglutinin HA2 chain
Ligands
NAG, MAN, GAL, SIA, BMA, FUC
Pockets
6 · best druggability 0.69

Structure

x-ray diffraction · 2 distinct chains · 25% helix, 30% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, CHemagglutinin HA1 chainprotein3269% helix, 38% strand—
B, DHemagglutinin HA2 chainprotein17156% helix, 13% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 14 copies · chains A, B, C, D
  • MAN · alpha-D-mannopyranose · sugar · 4 copies · chains B, A
  • GAL · beta-D-galactopyranose · sugar · 2 copies · chains A, C
  • SIA · N-acetyl-alpha-neuraminic acid · sugar · 2 copies · chains A, C
  • BMA · beta-D-mannopyranose · sugar · 2 copies · chains A
  • FUC · alpha-L-fucopyranose · sugar · 2 copies · chains A

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

Pockets

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

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
16590.690.7757empty
21670.440.7523empty
3640.440.8221empty
4760.420.8020empty
5670.420.8017empty

Interfaces

3 interfaces between chains.

  • A–B · 2753 Ų buried · 41 hydrogen bonds · protein-protein
  • C–D · 2724 Ų buried · 41 hydrogen bonds · protein-protein
  • A–D · 300 Ų buried · 6 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 12 disulfide, 10 glycan (disulfide, N-glycosylation).

Compared structures

  • 5BR6 · Crystal structure of hemagglutinin of A/Taiwan/2/2013 (H6N1) in complex with LSTc · the same entry in another collection · chain A against A, TM-score 1.00

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