Complement component 5

C5
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	1CFA, 1KJS, 1XWE, 3CU7, 3HQA, 3HQB, 3KLS, 3KM9, 3PRX, 3PVM, 4A5W, 4E0S, 4P39, 4UU9, 5I5K, 5HCE, 5HCC, 5HCD
Identifiers
Aliases	C5, C5D, C5a, C5b, CPAMD4, ECLZB, complement component 5, complement C5
External IDs	OMIM: 120900 MGI: 96031 HomoloGene: 20412 GeneCards: C5
Gene location (Human)
Chr.	Chromosome 9 (human)
End	121,075,195 bp
Gene location (Mouse)
Chr.	Chromosome 2 (mouse)
End	34,951,450 bp
RNA expression pattern
	Top expressed in
	right lobe of liver; ; oocyte; ; body of pancreas; ; secondary oocyte; ; Achilles tendon; ; tibial nerve; ; left coronary artery; ; popliteal artery; ; body of stomach; ; lower lobe of lung;
	Top expressed in
	left lobe of liver; ; right lung lobe; ; left lung; ; left lung lobe; ; gallbladder; ; secondary oocyte; ; carotid body; ; habenula; ; thoracic diaphragm; ; conjunctival fornix;
	More reference expression data
	More reference expression data
Gene ontology
Molecular function	chemokine activity; protein binding; endopeptidase inhibitor activity; signaling receptor binding;
Cellular component	extracellular region; extracellular exosome; membrane attack complex; extracellular space;
Biological process	G protein-coupled receptor signaling pathway; cytolysis; complement activation, alternative pathway; immune system process; complement activation; response to stress; in utero embryonic development; positive regulation of angiogenesis; chemotaxis; cell surface receptor signaling pathway; complement activation, classical pathway; positive regulation of vascular endothelial growth factor production; inflammatory response; regulation of complement activation; negative regulation of macrophage chemotaxis; negative regulation of endopeptidase activity; innate immune response; cell chemotaxis;
	Sources:Amigo / QuickGO
Orthologs
	727
	15139
	ENSG00000106804
	ENSMUSG00000026874
	P01031
	P06684
	NM_001735; NM_001317163; NM_001317164
	NM_010406
	NP_001304092; NP_001304093; NP_001726
	NP_034536
	Wikidata
View/Edit Human	View/Edit Mouse

Complement component 5 is a protein that in humans is encoded by the C5 gene.

Complement component 5 is involved in the complement system. It is cleaved into C5a and C5b:

C5a plays an important role in chemotaxis.
C5b forms the first part of the complement membrane attack complex.

Deficiency is thought to cause Leiner's disease.

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