======= C1S ======= == Gene Information == * **Official Symbol**: C1S * **Official Name**: complement C1s * **Aliases and Previous Symbols**: N/A * **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=716|716]] * **UniProt**: [[https://www.uniprot.org/uniprot/P09871|P09871]] * **Interactions**: [[https://thebiogrid.org/search.php?search=C1S&organism=9606|BioGRID]] * **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20C1S|Open PubMed]] * **OMIM**: [[https://omim.org/entry/120580|Open OMIM]] == Function Summary == * **Entrez Summary**: 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]. * **UniProt Summary**: N/A |Trypsin| |CUB| |Sushi| |regulation of complement activation| |regulation of humoral immune response| |blood microparticle| |complement activation, classical pathway| |serine-type endopeptidase activity| |humoral immune response mediated by circulating immunoglobulin| |complement activation| |immunoglobulin mediated immune response| |B cell mediated immunity| |lymphocyte mediated immunity| |adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains| |humoral immune response| |regulation of immune effector process| |adaptive immune response| |activation of immune response| |calcium ion binding| |innate immune response| |leukocyte mediated immunity| |positive regulation of immune response| |defense response to other organism| |identical protein binding| |immune effector process| |regulation of immune response| |positive regulation of immune system process| |proteolysis| |response to other organism| |response to external biotic stimulus| |response to biotic stimulus| |defense response| |extracellular space| |regulation of immune system process| |immune response| |extracellular region| \\ === CRISPR Data === ^Screen^Score^ |[[:results:exp130|JQ1 0.01μM R03 exp130]]|1.71| No correlation found to any other genes in chemogenomics. Global Fraction of Cell Lines Where Essential: 0/739 ^Tissue^Fraction Of Cell Lines Where Essential^ |1290807.0|0/1| |909776.0|0/1| |bile duct|0/28| |blood|0/28| |bone|0/26| |breast|0/33| |central nervous system|0/56| |cervix|0/4| |colorectal|0/17| |esophagus|0/13| |fibroblast|0/1| |gastric|0/16| |kidney|0/21| |liver|0/20| |lung|0/75| |lymphocyte|0/16| |ovary|0/26| |pancreas|0/24| |peripheral nervous system|0/16| |plasma cell|0/15| |prostate|0/1| |skin|0/24| |soft tissue|0/9| |thyroid|0/2| |upper aerodigestive|0/22| |urinary tract|0/29| |uterus|0/5| == Essentiality in NALM6 == * **Essentiality Rank**: 9606 * **Expression level (log2 read counts)**: 2.8 {{:chemogenomics:nalm6 dist.png?nolink |}}