Research workbench
Crystal structure of lacto-N-biosidase from bifidobacterium bifidum complexed with lnb-thiazoline
Analyse Crystal structure of lacto-N-biosidase from bifidobacterium bifidum complexed… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4JAW
- Type
- protein
- Length
- 1,265 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Lacto-N-biosidase
- EC
- 3.2.1.140
- UniProt
- B3TLD6
- Ligands
- NGT, GAL, SO4
- Pockets
- 12 · best druggability 0.67
Structure
x-ray diffraction · 2 distinct chains · 31% helix, 24% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Lacto-N-biosidase (EC 3.2.1.140) | protein | 633 | 31% helix, 24% strand | B3TLD6 |
| B | Lacto-N-biosidase (EC 3.2.1.140) | protein | 632 | 31% helix, 25% strand | B3TLD6 |
Ligands and binding sites
- NGT · 3ar,5r,6s,7r,7ar-5-hydroxymethyl-2-methyl-5,6,7,7A-tetrahydro-3AH-pyrano[3,2-d]thiazole-6,7-diol · ligand · 2 copies · chains A, B
- GAL · beta-D-galactopyranose · sugar · 2 copies · chains A, B
- SO4 · Sulfate ion · ion · 7 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
12 pockets found on a 1 Å grid, 7 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 590 | 0.67 | 0.77 | 69 | empty |
| 2 | 568 | 0.66 | 0.77 | 59 | empty |
| 3 | 196 | 0.65 | 0.84 | 32 | GAL, NGT, SO4 |
| 4 | 177 | 0.64 | 0.85 | 28 | GAL, NGT |
| 5 | 211 | 0.54 | 0.78 | 35 | empty |
Interfaces
1 interface between chains.
- A–B · 1847 Ų buried · 33 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 disulfide (disulfide).
Compared structures
- 4JAW · Crystal Structure of Lacto-N-Biosidase from Bifidobacterium bifidum complexed with… · 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
- Every structure of UniProt B3TLD6
- Elsewhere: RCSB PDB 4JAW · PDBe 4JAW · UniProt B3TLD6
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