2AV6
X-Ray studies on maltodextrin phosphorylase complexes: recognition of substrates and cathalitic mechanism of phosphorylase family
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Maltodextrin phosphorylase | polymer | 796 | 90547.1 | 2 | UniProt (P00490) Pfam (PF00343) | Escherichia coli | MALP |
| 2 | C, D (C, D) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose | branched | 828.7 | 2 | In PDB GlyTouCan (G43441FW) | |||
| 3 | E, G (A, B) | NITRATE ION | non-polymer | 62.0 | 2 | Chemie (NO3) | |||
| 4 | F, H (A, B) | PYRIDOXAL-5'-PHOSPHATE | non-polymer | 247.1 | 2 | Chemie (PLP) | |||
| 5 | I, J (A, B) | water | water | 18.0 | 1145 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 796 (UniProt: P00490)
| PDB | External Database | Details |
|---|---|---|
| Ala 261 | His 261 | engineered mutation |
| Phe 262 | Thr 262 | engineered mutation |
| Glu 263 | Ala 263 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 181094.1 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1657.4 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 618.3 | |
| All* | Total formula weight | 183369.9 |
