1JGI
Crystal Structure of the Active Site Mutant Glu328Gln of Amylosucrase from Neisseria polysaccharea in Complex with the Natural Substrate Sucrose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | amylosucrase | polymer | 628 | 71588.1 | 1 | UniProt (Q9ZEU2) Pfam (PF00128) Pfam (PF22582) In PDB | Neisseria polysaccharea | |
| 2 | B | beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900003) | sucrose | ||
| 3 | water | water | 18.0 | 622 | Chemie (HOH) |
Sequence modifications
A: 5 - 628 (UniProt: Q9ZEU2)
| PDB | External Database | Details |
|---|---|---|
| Ser 1 | - | cloning artifact |
| Pro 2 | - | cloning artifact |
| Asn 3 | - | cloning artifact |
| Ser 4 | - | cloning artifact |
| Tyr 131 | His 139 | SEE REMARK 999 |
| Gln 328 | Glu 336 | engineered mutation |
| Asp 537 | Gly 545 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 71588.1 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 342.3 | |
| All* | Total formula weight | 71930.4 |
