2ZIC
Crystal structure of Streptococcus mutans dextran glucosidase
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 | 63023.8 | 1 | UniProt (Q2HWU5) Pfam (PF00128) UniProt (by SIFTS) (Q99040) | Streptococcus mutans | |
| 2 | B, C, D (A) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 3 | E (A) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 4 | F (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 5 | G (A) | water | water | 18.0 | 405 | 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 |
| 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 | 63023.8 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 334.5 | |
| All* | Total formula weight | 63358.3 |
