MolNFT v1 · #58262 · protein
Crystal structure of nonfucosylated Fc complexed with bis-glycosylated soluble form of Fc gamma receptor iiia
3AY4 · Ig gamma-1 chain C region: “Crystal structure of nonfucosylated Fc complexed with bis-glycosylated soluble form of Fc gamma receptor iiia”. X-ray diffraction, 5 ligands (NAG, MAN, BMA), 6 pockets (best druggability 0.37). MolNFT v1…
- PDB
- 3AY4
- Type
- protein
- Length
- 591 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Ig gamma-1 chain C region; Low affinity immunoglobulin gamma Fc region receptor III-a
- UniProt
- P01857, P08637
- Ligands
- NAG, MAN, BMA, GAL, FUC
- Pockets
- 6 · best druggability 0.37
Structure
x-ray diffraction · 3 distinct chains · 9% helix, 47% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Ig gamma-1 chain C region | protein | 215 | 11% helix, 46% strand | P01857 |
| B | Ig gamma-1 chain C region | protein | 216 | 11% helix, 46% strand | P01857 |
| C | Low affinity immunoglobulin gamma Fc region receptor III-a | protein | 160 | 6% helix, 52% strand | P08637 |
Ligands and binding sites
- NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 14 copies · chains A, C, B
- MAN · alpha-D-mannopyranose · sugar · 6 copies · chains A, B
- BMA · beta-D-mannopyranose · sugar · 4 copies · chains A, B
- GAL · beta-D-galactopyranose · sugar · 2 copies · chains A, B
- FUC · alpha-L-fucopyranose · sugar
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
6 pockets found on a 1 Å grid, 0 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 93 | 0.37 | 0.75 | 21 | empty |
| 2 | 69 | 0.34 | 0.76 | 18 | empty |
| 3 | 52 | 0.29 | 0.76 | 10 | empty |
| 4 | 62 | 0.29 | 0.75 | 17 | empty |
| 5 | 56 | 0.28 | 0.74 | 15 | empty |
Interfaces
3 interfaces between chains.
- A–B · 1222 Ų buried · 8 hydrogen bonds · protein-protein
- A–C · 600 Ų buried · 6 hydrogen bonds · protein-protein
- B–C · 394 Ų buried · 2 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 7 disulfide, 4 glycan (disulfide, N-glycosylation).
Compared structures
- 3AY4 · Crystal structure of nonfucosylated Fc complexed with bis-glycosylated soluble form of Fc… · the same entry in another collection · chain A against A, TM-score 1.00
- P08637 · AlphaFold monomer V2.0 prediction for low affinity immunoglobulin gamma Fc region… · a predicted model of the same protein · chain C against A, TM-score 0.98
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P01857
- Every structure of UniProt P08637
- Elsewhere: RCSB PDB 3AY4 · PDBe 3AY4 · UniProt P01857 · UniProt P08637
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