This gene encodes a serine protease, which is a major constituent of the human complement subcomponent C1. C1s associates with two other complement components C1r and C1q in order to yield the first component of the serum complement system. Defects in this gene are the cause of selective C1s deficiency. [provided by RefSeq, Mar 2009]
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CFDE DD-Knowledge Graph
The CFDE Data Distillery Knowledge Graph contains entities and relationships across the CFDE. View C1S's neighborhood in the knowledge graph.
The Gene and Drug Landing Page Aggregator (GDLPA) finds links to primary and secondary source information from CFDE and other resources. Discover landing pages for C1S.