3H09
The structure of Haemophilus influenzae IgA1 protease
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Immunoglobulin A1 protease | polymer | 989 | 108802.3 | 2 | UniProt (P44969) Pfam (PF02395) Pfam (PF03212) | Haemophilus influenzae | IGA1 protease |
| 2 | C, E, L, N (A, B) | ACETATE ION | non-polymer | 59.0 | 4 | Chemie (ACT) | |||
| 3 | D, F, G, K, M (A, B) | MALONIC ACID | non-polymer | 104.1 | 5 | Chemie (MLA) | |||
| 4 | H, I, J, O (A, B) | SODIUM ION | non-polymer | 23.0 | 4 | Chemie (NA) | |||
| 5 | P, Q (A, B) | water | water | 18.0 | 1812 | Chemie (HOH) |
Sequence modifications
A, B: 26 - 1014 (UniProt: P44969)
| PDB | External Database | Details |
|---|---|---|
| His 1007 | Asn 1007 | engineered mutation |
| His 1008 | Asn 1008 | engineered mutation |
| His 1009 | Ile 1009 | engineered mutation |
| His 1010 | Gln 1010 | engineered mutation |
| His 1011 | Ala 1011 | engineered mutation |
| His 1012 | Asp 1012 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 217604.7 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 848.4 | |
| All* | Total formula weight | 218453.1 |






