3POF
Crystal structure of MASP-1 CUB2 domain bound to Ca2+
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) | Mannan-binding lectin serine protease 1 | polymer | 115 | 13091.5 | 2 | UniProt (Q8CHN8) Pfam (PF00431) | Rattus norvegicus (brown rat rat rats) | Complement factor MASP-3, Complement-activating component of Ra-reactive factor, Mannose-binding lectin-associated serine protease 1, MASP-1, Mannose-binding protein-associated serine protease, Ra-reactive factor serine protease p100, RaRF, Serine protease 5, Mannan-binding lectin serine protease 1 heavy chain, Mannan-binding lectin serine protease 1 light chain |
| 2 | C, F (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 3 | D, G (A, B) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 4 | E (A) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 251 | Chemie (HOH) |
Sequence modifications
A, B: 164 - 277 (UniProt: Q8CHN8)
| PDB | External Database | Details |
|---|---|---|
| Met 163 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 26183.0 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 394.4 | |
| All* | Total formula weight | 26577.4 |
