protein-coding

complement component 4 binding protein
complement component 4B (Chido blood group)
complement component 3a receptor 1
complement component 3
class II transactivator
complement component 2 (within H-2S)
complement component 1, q subcomponent, C chain
complement component 1, q subcomponent binding protein
complement component 1, q subcomponent, beta polypeptide
complement component 1, q subcomponent, alpha polypeptide