2D2O
Structure of a complex of Thermoactinomyces vulgaris R-47 alpha-amylase 2 with maltohexaose demonstrates the important role of aromatic residues at the reducing end of the substrate binding cleft
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Neopullulanase 2 | polymer | 585 | 67553.1 | 2 | UniProt (Q08751) Pfam (PF02903) Pfam (PF00128) Pfam (PF16657) In PDB | Thermoactinomyces vulgaris | Alpha-amylase II, TVA II |
| 2 | C, D | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 990.9 | 2 | In PDB BIRD (PRD_900035) GlyTouCan (G91368RN) | alpha-maltohexaose | ||
| 3 | A, B | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | water | water | 18.0 | 980 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 585 (UniProt: Q08751)
| PDB | External Database | Details |
|---|---|---|
| Asn 325 | Asp 325 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 135106.3 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1981.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 80.2 | |
| All* | Total formula weight | 137168.1 |
