1PK6
Globular Head of the Complement System Protein C1q
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Complement C1q subcomponent, A chain precursor | polymer | 133 | 14914.8 | 1 | UniProt (P02745) Pfam (PF00386) | Homo sapiens (human) | C1Q |
| 2 | B (B) | Complement C1q subcomponent, B chain precursor | polymer | 132 | 14996.1 | 1 | UniProt (P02746) Pfam (PF00386) | Homo sapiens (human) | C1Q |
| 3 | C (C) | Complement C1q subcomponent, C chain precursor | polymer | 129 | 14302.1 | 1 | UniProt (P02747) Pfam (PF00386) | Homo sapiens (human) | C1Q |
| 4 | D (B) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | E, F, G (A, B, C) | water | water | 18.0 | 198 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 44213.0 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 40.1 | |
| All* | Total formula weight | 44253.1 |
