2ZID
Crystal structure of dextran glucosidase E236Q complex with isomaltotriose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Dextran glucosidase | polymer | 543 | 63022.9 | 1 | UniProt (Q2HWU5) Pfam (PF00128) UniProt (by SIFTS) (Q99040) | Streptococcus mutans | |
| 2 | B (B) | alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose | branched | 504.4 | 1 | In PDB GlyTouCan (G02998EX) | |||
| 3 | C, D, E (A) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 4 | F (A) | water | water | 18.0 | 340 | Chemie (HOH) |
Sequence modifications
A: 6 - 536 (UniProt: Q2HWU5)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | SEE REMARK 999 |
| Gln 2 | - | SEE REMARK 999 |
| Lys 3 | - | SEE REMARK 999 |
| His 4 | - | SEE REMARK 999 |
| Trp 5 | - | SEE REMARK 999 |
| Gln 236 | Glu 231 | engineered mutation |
| Leu 536 | Asn 531 | engineered mutation |
| Glu 537 | - | expression tag |
| His 538 | - | expression tag |
| His 539 | - | expression tag |
| His 540 | - | expression tag |
| His 541 | - | expression tag |
| His 542 | - | expression tag |
| His 543 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 63022.9 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 504.4 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 120.2 | |
| All* | Total formula weight | 63647.5 |
