Complement factor B

CFB
Available structures
PDB	Ortholog search: PDBe RCSB
List of PDB id codes
	3HS0, 1DLE, 1Q0P, 1RRK, 1RS0, 1RTK, 2OK5, 2WIN, 2XWB, 2XWJ, 3HRZ
Identifiers
Aliases	CFB, Cfb, AI195813, AI255840, Bf, C2, Fb, H2-Bf, AHUS4, ARMD14, BFD, CFAB, CFBD, FBI12, GBG, PBF2, complement factor B
External IDs	OMIM: 138470; MGI: 105975; HomoloGene: 1292; GeneCards: CFB; OMA:CFB - orthologs
Gene location (Human)
Chr.	Chromosome 6 (human)
End	31,952,084 bp
Gene location (Mouse)
Chr.	Chromosome 17 (mouse)
End	35,081,494 bp
RNA expression pattern
	Top expressed in
	right lobe of liver; ; gallbladder; ; appendix; ; duodenum; ; islet of Langerhans; ; olfactory zone of nasal mucosa; ; Descending thoracic aorta; ; gastric mucosa; ; right coronary artery; ; human kidney;
	Top expressed in
	proximal tubule; ; right kidney; ; human kidney; ; white adipose tissue; ; hepatobiliary system; ; liver; ; jejunum; ; ileum; ; colon; ; duodenum;
	More reference expression data
	; ;
	More reference expression data
Gene ontology
Molecular function	peptidase activity; serine-type peptidase activity; serine-type endopeptidase activity; hydrolase activity; complement binding; protein binding;
Cellular component	extracellular region; plasma membrane; blood microparticle; extracellular exosome; extracellular space;
Biological process	complement activation; regulation of complement activation; proteolysis; immune system process; complement activation, alternative pathway; innate immune response;
	Sources:Amigo / QuickGO
Orthologs
	629
	14962
ENSG00000243570; ENSG00000239754; ENSG00000243649; ENSG00000241253; ENSG00000242335;
	ENSG00000241534; ENSG00000204359
	ENSMUSG00000090231
	P00751
	P04186
	NM_001710
	NM_001142706; NM_008198
	NP_001701
	NP_001136178; NP_032224; NP_001389804
	Wikidata
View/Edit Human	View/Edit Mouse

Complement factor B is a protein that in humans is encoded by the CFB gene.^[5]

Template:PBB Summary

Complement tests
C4 (C)	FB (A)	C3	CH50	Conditions
·	↓	↓	↓	PSG, C3 NeF AA
↓	·	↓	·	HAE, C4D
·	·	·	↓	TCPD
↓	·/↓	↓	↓	SLE
↑	↑	↑	↑	inflammation

References

^ ^a ^b ^c ENSG00000239754, ENSG00000243649, ENSG00000241253, ENSG00000242335, ENSG00000241534, ENSG00000204359 GRCh38: Ensembl release 89: ENSG00000243570, ENSG00000239754, ENSG00000243649, ENSG00000241253, ENSG00000242335, ENSG00000241534, ENSG00000204359 – Ensembl, May 2017
^ ^a ^b ^c GRCm38: Ensembl release 89: ENSMUSG00000090231 – Ensembl, May 2017
^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^ "Entrez Gene: CFB complement factor B".

External links

GeneReviews/NCBI/NIH/UW entry on Atypical Hemolytic-Uremic Syndrome
OMIM entries on Atypical Hemolytic-Uremic Syndrome
The MEROPS online database for peptidases and their inhibitors: S01.196
Complement+Factor+B at the U.S. National Library of Medicine Medical Subject Headings (MeSH)

Template:PBB Controls

This hydrolase article is a stub. You can help Wikipedia by expanding it.

[refGRCh38Ensembl-1] ENSG00000239754, ENSG00000243649, ENSG00000241253, ENSG00000242335, ENSG00000241534, ENSG00000204359 GRCh38: Ensembl release 89: ENSG00000243570, ENSG00000239754, ENSG00000243649, ENSG00000241253, ENSG00000242335, ENSG00000241534, ENSG00000204359 – Ensembl, May 2017

[refGRCm38Ensembl-2] GRCm38: Ensembl release 89: ENSMUSG00000090231 – Ensembl, May 2017

[3] "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[4] "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.

[entrez-5] "Entrez Gene: CFB complement factor B".

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[5]

v t e Endopeptidases: serine proteases/serine endopeptidases (EC 3.4.21)
Digestive enzymes	Enteropeptidase Trypsin Chymotrypsin Elastase Neutrophil Pancreatic
Coagulation	factors: Thrombin Factor VIIa Factor IXa Factor Xa Factor XIa Factor XIIa Kallikrein PSA KLK1 KLK2 KLK3 KLK4 KLK5 KLK6 KLK7 KLK8 KLK9 KLK10 KLK11 KLK12 KLK13 KLK14 KLK15 fibrinolysis: Plasmin Plasminogen activator Tissue plasminogen activator Urinary plasminogen activator
Complement system	Factor B Factor D Factor I MASP MASP1 MASP2 C3-convertase
Other immune system	Chymase Granzyme Tryptase Proteinase 3/Myeloblastin
Venombin	Ancrod Batroxobin
Other	Acrosin Prolyl endopeptidase Pronase Proprotein convertases 1 2 Prostasin Reelin Subtilisin/Furin/S1P4 Sedolisin/TPP1 Streptokinase Cathepsin A G

References

Further reading

External links