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 | Complement C1q subcomponent, A chain precursor | polymer | 133 | 14914.8 | 1 | UniProt (P02745) Pfam (PF00386) In PDB | Homo sapiens (human) | C1Q |
2 | B | Complement C1q subcomponent, B chain precursor | polymer | 132 | 14996.1 | 1 | UniProt (P02746) Pfam (PF00386) In PDB | Homo sapiens (human) | C1Q |
3 | C | Complement C1q subcomponent, C chain precursor | polymer | 129 | 14302.1 | 1 | UniProt (P02747) Pfam (PF00386) In PDB | Homo sapiens (human) | C1Q |
4 | B | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
5 | 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 |