MolNFT v1 · #13504 · protein
Avidin-homobiotin complex
1LDQ: “Avidin-homobiotin complex”. X-ray diffraction, 2 ligands (SHM, NAG), 2 pockets (best druggability 0.34). MolNFT v1 #13504 on GenesisL1: 3D structure, binding sites and pockets in GL1X.
- PDB
- 1LDQ
- Type
- protein
- Length
- 223 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Avidin
- UniProt
- P02701
- Ligands
- SHM, NAG
- Pockets
- 2 · best druggability 0.34
Structure
x-ray diffraction · 2 distinct chains · 3% helix, 55% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Avidin | protein | 111 | 3% helix, 57% strand | P02701 |
| B | Avidin | protein | 112 | 3% helix, 54% strand | P02701 |
Ligands and binding sites
- SHM · Homobiotin · ligand · 2 copies · chains A, B
- NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 2 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
2 pockets found on a 1 Å grid, 0 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 66 | 0.34 | 0.75 | 14 | SHM |
| 2 | 64 | 0.33 | 0.75 | 14 | SHM |
Interfaces
1 interface between chains.
- A–B · 149 Ų buried · 0 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 2 disulfide, 2 glycan (disulfide, N-glycosylation).
Compared structures
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 P02701
- Elsewhere: RCSB PDB 1LDQ · PDBe 1LDQ · UniProt P02701
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