Gene Information
Gene NameC2
OrganismHomo sapiens (Human)
Gene Length752
Protein NamesComplement C2 (EC 3.4.21.43) (C3/C5 convertase) [Cleaved into: Complement C2b fragment; Complement C2a fragment]
Target NameNA
Target TypeNA
Gene Age3 ( ENSG00000166278 )
3 ( ENSG00000204364 )
3 ( ENSG00000206372 )
3 ( ENSG00000226560 )
3 ( ENSG00000231543 )
3 ( ENSG00000235017 )
3 ( ENSG00000235696 )
Evolutionary StageEumetazoa
AlphaFoldDBP06681
Gene CardC2
Uniprot IDP06681
PfamPF00084; PF00089; PF00092
In ASDno
Allosteric Predictionyes (1.140382169)
Ortholog in AnimalsDog_ C2 ( ortholog_one2one )
GuineaPig_ C2 ( ortholog_one2one )
Mouse_ C2 ( ortholog_one2one )
Pig_ C2 ( ortholog_one2one )
Rat_ Cfb ( ortholog_one2one )
Rabbit_ C2 ( ortholog_one2one )
OhnologsNA
ParalogsCR1L, SUSD3, F13B, SELP, SEZ6L2, CFHR2, CFHR1, CSMD1, APOH, SELE, SRPX, SVEP1, SEZ6, C8A, CD55, CSMD2, PAPPA2, SUSD6, C4BPA, C9, CR1, PAPPA, SELL, CFB, CD46, C4BPB, CR2, C7, CSMD3, CFHR3, CFH, SEZ6L, CFHR4, CFHR5, SRPX2, C8B, PRF1, SUSD4, C6
Tissueliver
Tissue SpecificityNA
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001000(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2I6Q  (X-ray  2.10A  2I6S  (X-ray  2.70A  2ODP  (X-ray  1.90A  2ODQ  (X-ray  2.30A  3ERB  (X-ray  1.80A 
DBSNP rs760744400  rs28934590  rs9332739  rs151340617  rs1042664  rs4151648 
Subcellular location [CC]Secreted.
Mouse PG classificationNA
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