Homo sapiens Gene: CFI
Summary
InnateDB Gene IDBG-33966.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol CFI
Gene Name complement factor I
Synonyms AHUS3; ARMD13; C3b-INA; C3BINA; FI; IF; KAF
Species Homo sapiens
Ensembl Gene ENSG00000205403
Encoded Proteins
complement factor I
complement factor I
complement factor I
complement factor I
complement factor I
Protein Structure
Useful resources Stemformatics EHFPI ImmGen
Entrez Gene
Summary This gene encodes a serine proteinase that is essential for regulating the complement cascade. The encoded preproprotein is cleaved to produce both heavy and light chains, which are linked by disulfide bonds to form a heterodimeric glycoprotein. This heterodimer can cleave and inactivate the complement components C4b and C3b, and it prevents the assembly of the C3 and C5 convertase enzymes. Defects in this gene cause complement factor I deficiency, an autosomal recessive disease associated with a susceptibility to pyogenic infections. Mutations in this gene have been associated with a predisposition to atypical hemolytic uraemic syndrome, a disease characterized by acute renal failure, microangiopathic hemolytic anemia and thrombocytopenia. Primary glomerulonephritis with immmune deposits is another condition associated with mutation of this gene. [provided by RefSeq, Jul 2008]
Gene Information
Type Protein coding
Genomic Location Chromosome 4:109740694-109802179
Strand Reverse strand
Band q25
Transcripts
ENST00000394635 ENSP00000378131
ENST00000394634 ENSP00000378130
ENST00000504853
ENST00000512148 ENSP00000427438
ENST00000515512
ENST00000510800 ENSP00000422009
ENST00000618244 ENSP00000483416
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 9 experimentally validated interaction(s) in this database.
Experimentally validated
Total 9 [view]
Protein-Protein 8 [view]
Protein-DNA 1 [view]
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0003824 catalytic activity
GO:0004252 serine-type endopeptidase activity
GO:0005044 scavenger receptor activity
GO:0005515 protein binding
GO:0046872 metal ion binding
Biological Process
GO:0006508 proteolysis
GO:0006898 receptor-mediated endocytosis
GO:0006958 complement activation, classical pathway
GO:0030449 regulation of complement activation
GO:0045087 innate immune response
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005634 nucleus
GO:0016020 membrane
GO:0070062 extracellular vesicular exosome
Orthologs
Species
Mus musculus
Bos taurus
Gene ID
Gene Order
Not yet available
Pathways
NETPATH
REACTOME
Regulation of Complement cascade pathway
Innate Immune System pathway
Immune System pathway
Complement cascade pathway
KEGG
Complement and coagulation cascades pathway
Staphylococcus aureus infection pathway
INOH
PID NCI
Cross-References
SwissProt
TrEMBL
UniProt Splice Variant
Entrez Gene
UniGene Hs.312485 Hs.708284
RefSeq NM_000204 XM_005262975 XM_005262976 XM_006714209
HUGO
OMIM
CCDS CCDS34049
HPRD 01955
IMGT
EMBL
GenPept
RNA Seq Atlas