8IBK
Crystal structure of Bacillus sp. AHU2216 GH13_31 Alpha-glucosidase E256Q/N258G in complex with maltotriose
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Alpha-glucosidase | polymer | 563 | 65942.6 | 1 | UniProt (A0A2Z5WH92) Pfam (PF00128) Pfam (PF16657) In PDB | Bacillus sp. (in: firmicutes) | |
2 | C | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 504.4 | 1 | In PDB GlyTouCan (G96370VA) | |||
3 | A | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
4 | water | water | 18.0 | 564 | Chemie (HOH) |
Sequence modifications
A: 1 - 555 (UniProt: A0A2Z5WH92)
PDB | External Database | Details |
---|---|---|
Gln 256 | Glu 256 | engineered mutation |
Gly 258 | Asn 258 | engineered mutation |
Leu 556 | - | expression tag |
Glu 557 | - | expression tag |
His 558 | - | expression tag |
His 559 | - | expression tag |
His 560 | - | expression tag |
His 561 | - | expression tag |
His 562 | - | expression tag |
His 563 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 65942.6 | |
Branched | Number of molecules | 1 |
Total formula weight | 504.4 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 80.2 | |
All* | Total formula weight | 66527.2 |