1KXH
Crystal structure of the complex between an inactive mutant of psychrophilic alpha-amylase (D174N) and acarbose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | alpha-amylase | polymer | 448 | 48946.4 | 1 | UniProt (P29957) Pfam (PF00128) Pfam (PF02806) | Pseudoalteromonas haloplanktis | |
| 2 | B (B) | 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 645.6 | 1 | In PDB BIRD (PRD_900007) GlyTouCan (G66431MI) | alpha-acarbose | ||
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 5 | E (A) | water | water | 18.0 | 205 | Chemie (HOH) |
Sequence modifications
A: 1 - 448 (UniProt: P29957)
| PDB | External Database | Details |
|---|---|---|
| Asn 174 | Asp 198 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 48946.4 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 645.6 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 75.5 | |
| All* | Total formula weight | 49667.6 |
