8CP7
Structure of the disulfide-locked substrate binding protein HiSiaP.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Sialic acid-binding periplasmic protein SiaP | polymer | 311 | 34695.4 | 1 | UniProt (P44542) Pfam (PF03480) | Haemophilus influenzae | Extracytoplasmic solute receptor protein SiaP,N-acetylneuraminic-binding protein,Neu5Ac-binding protein |
| 2 | B (A) | N-acetyl-beta-neuraminic acid | non-polymer | 309.3 | 1 | Chemie (SLB) | |||
| 3 | C, D (A) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | E (A) | water | water | 18.0 | 134 | Chemie (HOH) |
Sequence modifications
A: 1 - 306 (UniProt: P44542)
| PDB | External Database | Details |
|---|---|---|
| Gly 0 | - | expression tag |
| Cys 15 | Ser 38 | conflict |
| Cys 194 | Ala 217 | conflict |
| Lys 307 | - | expression tag |
| Gly 308 | - | expression tag |
| Glu 309 | - | expression tag |
| Ala 310 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 34695.4 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 440.1 | |
| All* | Total formula weight | 35135.4 |
