1E4O
Phosphorylase recognition and phosphorolysis of its oligosaccharide substrate: answers to a long outstanding question
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | MALTODEXTRIN PHOSPHORYLASE | polymer | 796 | 90497.0 | 2 | UniProt (P00490) Pfam (PF00343) In PDB | ESCHERICHIA COLI | MALP, ECP |
| 2 | 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 | A, B | PYRIDOXAL-5'-PHOSPHATE | non-polymer | 247.1 | 2 | Chemie (PLP) | |||
| 4 | water | water | 18.0 | 353 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 796 (UniProt: P00490)
| PDB | External Database | Details |
|---|---|---|
| Lys 293 | Glu 293 | conflict |
| Glu 487 | Val 487 | conflict |
| Phe 489 | Leu 489 | conflict |
| Gln 498 | Leu 498 | conflict |
| Glu 501 | Val 501 | conflict |
| Glu 521 | Asp 521 | conflict |
| His 547 | Arg 547 | conflict |
| Glu 681 | Lys 681 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 180994.0 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1657.4 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 494.3 | |
| All* | Total formula weight | 183145.7 |
