Gene Information
Gene NameC1S
OrganismHomo sapiens (Human)
Gene Length688
Protein NamesComplement C1s subcomponent (EC 3.4.21.42) (C1 esterase) (Complement component 1 subcomponent s) [Cleaved into: Complement C1s subcomponent heavy chain; Complement C1s subcomponent light chain]
Target Namecomplement c1s component
Target TypeSuccessful target
Gene Age950 ( ENSG00000182326 )
Evolutionary StageEumetazoa
AlphaFoldDBP09871
Gene CardC1S
Uniprot IDP09871
PfamPF00431; PF00084; PF00089
In ASDno
Allosteric Predictionyes (0.897857467)
Ortholog in AnimalsAlpaca_ C1S ( ortholog_one2one )
Dog_ C1S ( ortholog_one2one )
GuineaPig_ C1S ( ortholog_one2one )
Macaque_ C1S ( ortholog_one2one )
Mouse_ C1s1 ( ortholog_one2many )
Mouse_ C1s2 ( ortholog_one2many )
Pig_ C1S ( ortholog_one2one )
Rat_ C1s ( ortholog_one2one )
Rabbit_ C1S ( ortholog_one2one )
OhnologsMASP2, MASP1
ParalogsHGFAC, F7, C1R, KLK10, F9, F12, F10, CFI, CFD, PRSS55, PRSS51, C1RL, HP, HPR, KLKB1, F11
TissueNA
Tissue SpecificityNA
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1ELV  (X-ray  1.70A  1NZI  (X-ray  1.50A  4J1Y  (X-ray  2.66A  4LMF  (X-ray  2.92A  4LOR  (X-ray  2.50A  4LOS  (X-ray  2.00A  4LOT  (X-ray  2.92A  6F1C  (X-ray  4.20A  6F1H  (X-ray  4.50A 
DBSNP rs12146727  rs886040975  rs2239170  rs20573 
Subcellular location [CC]NA
Mouse PG classificationNA
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