MolNFT v1 · #76542 · protein
Monoclinic form of IGG1 Fab fragment (apo form) sharing same fv as IgA
3QO1 · Fab fragment of immunoglobulin G1 light chain: “Monoclinic form of IGG1 Fab fragment (apo form) sharing same fv as IgA”. X-ray diffraction, 3 pockets (best druggability 0.65). MolNFT v1 #76542 on GenesisL1: 3D structure, binding…
- PDB
- 3QO1
- Type
- protein
- Length
- 438 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Fab fragment of immunoglobulin G1 light chain; Fab fragment of immunoglobulin G1 heavy…
- Pockets
- 3 · best druggability 0.65
Structure
x-ray diffraction · 2 distinct chains · 8% helix, 50% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Fab fragment of immunoglobulin G1 light chain | protein | 219 | 6% helix, 50% strand | — |
| B | Fab fragment of immunoglobulin G1 heavy chain | protein | 219 | 10% helix, 51% strand | — |
Ligands and binding sites
- GOL · Glycerol · additive · 2 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
3 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 708 | 0.65 | 0.75 | 67 | empty |
| 2 | 134 | 0.44 | 0.77 | 23 | empty |
| 3 | 88 | 0.34 | 0.75 | 19 | empty |
Interfaces
1 interface between chains.
- A–B · 1791 Ų buried · 15 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide (disulfide).
Compared structures
- 3QO1 · Monoclinic form of IgG1 Fab fragment (apo form) sharing same Fv as IgA · the same entry in another collection · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Elsewhere: RCSB PDB 3QO1 · PDBe 3QO1
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