Research workbench
Mechanistic analyses of catalysis in human pancreatic alpha-amylase: detailed kinetic and structural studies of mutants of three conserved carboxylic acids
Analyse Mechanistic analyses of catalysis in human pancreatic alpha-amylase: detailed… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1KBK
- 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
- P04746
- Ligands
- NAG, CA, CL
- Pockets
- 3 · best druggability 0.59
Structure
x-ray diffraction · 1 distinct chain · 28% helix, 23% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Alpha-amylase, pancreatic (EC 3.2.1.1) | protein | 496 | 28% helix, 23% strand | P04746 |
Ligands and binding sites
- NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · chains A
- CA · Calcium ion · metal · chains A
- CL · Chloride ion · ion · 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 | 260 | 0.59 | 0.79 | 27 | empty |
| 2 | 69 | 0.35 | 0.77 | 15 | empty |
| 3 | 78 | 0.33 | 0.75 | 17 | empty |
Modifications
Observed in the structure: 5 disulfide, 1 modified (disulfide, cyclization).
Compared structures
- 1KBK · Mechanistic Analyses of Catalysis in Human Pancreatic Alpha-Amylase: Detailed Kinetic and… · the same entry in another collection · chain A against A, TM-score 1.00
- P04746 · AlphaFold monomer V2.0 prediction for pancreatic alpha-amylase (P04746) · 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 P04746
- Elsewhere: RCSB PDB 1KBK · PDBe 1KBK · UniProt P04746
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