MolNFT v1 · #23763 · protein
Crystal structure of the pig pancreatic a-amylase complexed with malto-oligosaccharides
1UA3 · Alpha-amylase, pancreatic: “Crystal structure of the pig pancreatic a-amylase complexed with malto-oligosaccharides”. X-ray diffraction, 4 ligands (GLC, BGC, CA), 3 pockets (best druggability 0.60). MolNFT v1 #23763 on GenesisL1: 3D…
- PDB
- 1UA3
- Type
- protein
- Length
- 496 residues
- Chains
- 1
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Alpha-amylase, pancreatic
- EC
- 3.2.1.1
- UniProt
- P00690
- Ligands
- GLC, BGC, CA, CL
- Pockets
- 3 · best druggability 0.60
Structure
x-ray diffraction · 1 distinct chain · 28% helix, 24% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Alpha-amylase, pancreatic (EC 3.2.1.1) | protein | 496 | 28% helix, 24% strand | P00690 |
Ligands and binding sites
- GLC · alpha-D-glucopyranose · sugar · 8 copies · chains A
- BGC · beta-D-glucopyranose · sugar · chains A
- CA · Calcium ion · metal · chains A
- CL · Chloride ion · ion · 2 copies · chains A
- EDO · 1,2-ethanediol · additive · 6 copies · chains A
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 | 326 | 0.60 | 0.77 | 30 | GLC |
| 2 | 65 | 0.36 | 0.77 | 12 | empty |
| 3 | 79 | 0.34 | 0.76 | 18 | empty |
Modifications
Observed in the structure: 5 disulfide (disulfide).
Compared structures
- 1UA3 · Crystal structure of the pig pancreatic a-amylase complexed with malto-oligosaccharides · the same entry in another collection · chain A against A, TM-score 1.00
- P00690 · AlphaFold monomer V2.0 prediction for pancreatic alpha-amylase (P00690) · a predicted model of the same protein · 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 P00690
- Elsewhere: RCSB PDB 1UA3 · PDBe 1UA3 · UniProt P00690
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