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MolNFT v1 · #140186 · protein

Crystal structure of a group 2 ha binding antibody AF4H1K1 Fab in complex with the H4N6 duck isolate (H4-CZ/56) hemagglutinin

5Y2M: “Crystal structure of a group 2 ha binding antibody AF4H1K1 Fab in complex with the H4N6 duck isolate…”. X-ray diffraction, 1 ligand (NAG), 20 pockets (best druggability 0.87). MolNFT v1 #140186 on GenesisL1: 3D structure, binding…

PDB
5Y2M
Type
protein
Length
2,345 residues
Chains
10
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Hemagglutinin; A group 2 ha binding antibody AF4H1K1 Fab heavy chain; A group 2 ha…
UniProt
A3KF09
Ligands
NAG
Pockets
20 · best druggability 0.87

Structure

x-ray diffraction · 4 distinct chains · 16% helix, 39% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, B, CHemagglutininprotein3199% helix, 39% strandA3KF09
D, E, FHemagglutininprotein17254% helix, 13% strandA3KF09
I, KA group 2 ha binding antibody AF4H1K1 Fab heavy chainprotein2247% helix, 48% strand—
J, LA group 2 ha binding antibody AF4H1K1 Fab light chainprotein2124% helix, 51% strand—

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 6 copies · chains A, C, B

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

Pockets

20 pockets found on a 1 Å grid, 15 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
110290.870.88111empty
21800.810.9620empty
34400.800.8852empty
44580.790.8752empty
56360.750.8276empty

Interfaces

25 interfaces between chains.

  • B–E · 2965 Ų buried · 46 hydrogen bonds · protein-protein
  • C–F · 2964 Ų buried · 46 hydrogen bonds · protein-protein
  • A–D · 2962 Ų buried · 46 hydrogen bonds · protein-protein
  • K–L · 1906 Ų buried · 14 hydrogen bonds · protein-protein
  • I–J · 1861 Ų buried · 16 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 26 disulfide, 6 glycan (disulfide, N-glycosylation).

Compared structures

  • 5Y2M · Crystal structure of a group 2 HA binding antibody AF4H1K1 Fab in complex with the H4N6… · the same entry in another collection · chain A against A, TM-score 1.00

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