2AEZ
Crystal structure of fructan 1-exohydrolase IIa (E201Q) from Cichorium intybus in complex with 1-kestose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | fructan 1-exohydrolase IIa | polymer | 543 | 61115.0 | 1 | UniProt (Q93X60) Pfam (PF00251) Pfam (PF08244) In PDB | Cichorium intybus (chicory) | |
| 2 | B | 2-acetamido-2-deoxy-alpha-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 424.4 | 1 | In PDB GlyTouCan (G07375KG) | |||
| 3 | C | beta-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 748.7 | 1 | In PDB GlyTouCan (G31886NL) | |||
| 4 | D | beta-D-fructofuranose-(2-1)-beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose | branched | 504.4 | 1 | In PDB BIRD (PRD_900029) | 1-kestose | ||
| 5 | water | water | 18.0 | 85 | Chemie (HOH) |
Sequence modifications
A: 1 - 543 (UniProt: Q93X60)
| PDB | External Database | Details |
|---|---|---|
| Gln 201 | Glu 239 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 61115.0 | |
| Branched | Number of molecules | 3 |
| Total formula weight | 1677.5 | |
| All* | Total formula weight | 62792.5 |
