2AAA
CALCIUM BINDING IN ALPHA-AMYLASES: AN X-RAY DIFFRACTION STUDY AT 2.1 ANGSTROMS RESOLUTION OF TWO ENZYMES FROM ASPERGILLUS
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 | 484 | 52965.1 | 1 | UniProt (P56271) Pfam (PF00128) Pfam (PF09260) | Aspergillus niger | |
| 2 | B, C (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 3 | D (A) | water | water | 18.0 | 350 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 52965.1 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 80.2 | |
| All* | Total formula weight | 53045.2 |
