Research workbench
Role of aromatic residues in human salivary alpha-amylase
Analyse Role of aromatic residues in human salivary alpha-amylase in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 3BLP
- Type
- protein
- Length
- 496 residues
- Chains
- 1
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Alpha-amylase 1
- EC
- 3.2.1.1
- UniProt
- P04745
- Ligands
- AGL, HMC, GLC, CA, CL
- Pockets
- 6 · best druggability 0.59
Structure
x-ray diffraction · 1 distinct chain · 27% helix, 24% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| X | Alpha-amylase 1 (EC 3.2.1.1) | protein | 496 | 27% helix, 24% strand | P04745 |
Ligands and binding sites
- AGL · 4-amino-4,6-dideoxy-alpha-D-glucopyranose · ligand · 2 copies · chains X
- HMC · 5-hydroxymethyl-chonduritol · ligand · chains X
- GLC · alpha-D-glucopyranose · sugar · 2 copies · chains X
- CA · Calcium ion · metal · chains X
- CL · Chloride ion · ion · chains X
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
6 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 269 | 0.59 | 0.78 | 25 | GLC, AGL, HMC |
| 2 | 88 | 0.40 | 0.78 | 18 | empty |
| 3 | 69 | 0.34 | 0.76 | 20 | empty |
| 4 | 78 | 0.33 | 0.75 | 21 | empty |
| 5 | 66 | 0.32 | 0.76 | 13 | empty |
Modifications
Observed in the structure: 5 disulfide, 1 modified (disulfide, cyclization).
Compared structures
- 3BLP · Role of aromatic residues in human salivary alpha-amylase · the same entry in another collection · chain X against X, 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 P04745
- Elsewhere: RCSB PDB 3BLP · PDBe 3BLP · UniProt P04745
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