3.4.21.75: Furin
This is an abbreviated version!
For detailed information about Furin, go to the full flat file.
Reaction
Release of mature proteins from their proproteins by cleavage of -Arg-Xaa-Yaa-Arg-/- bonds, where Xaa can by any amino acid and Yaa is Arg or Lys. Releases albumin, complement component C3 and von Willebrand factor from their respective precursors
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Synonyms
Bfurin, Dfurin1, Dibasic processing enzyme, FUR, furin, furin A, furin B, furin convertase, furin protease, furin-like pro-protein convertase, furin-like prohormone convertase, furin-like proprotein convertase, furin-like protease, furin-like proteinase, FurinA, furinase, hfurin, KPC-1, More, PACE, Paired basic amino acid cleaving enzyme, Paired basic amino acid converting enzyme, Paired basic amino acid residue cleaving enzyme, PC1, PC1/3, PC2, PCSK3, proconvertase, prohormone convertase, prohormone convertase 1, prohormone convertase 2, Proprotein convertase, proprotein convertase subtilisin/kexin 3, proprotein convertase subtilisin/kexin type 3, proprotein convertase subtilisin/kexin type3, Serine proteinase PACE, Sfurin, sheddase, SPC3, subtilisin-like proprotein convertase, subtilisin-like protein convertase, Trans golgi network protease furin
ECTree
Source Tissue
Source Tissue on EC 3.4.21.75 - Furin
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primary
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in the digestive gland the PC1 activity of pre-breeding stage is 1.17fold and 1.55fold as that of the during-breeding and the post-breeding stages, respectively
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basement membrane
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primary
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extravillous cells
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expresses PC1/3 and PC2
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PCSK3 is primarily expressed in the duodenum and the jejunum. PCSK3 is detectable in 75% of glucose-dependent insulinotropic polypeptide positive cells and 60% of substance P positive cells
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primary cortical
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primary cortical
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chief cells, coordinated decrease of pepsinogen, furin, and transforming growth factor beta
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chief cells, coordinated decrease of pepsinogen, furin, and transforming growth factor beta
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relative activity of PC1 in gonad is 10% of that in the digestive gland. In male, the PC1 activity in digestive gland is slightly lower than in female
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limiting amounts of furin
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infected by heaptitis C virus
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expression and regulation of furin in ovarian tissue, injection of equine and human chorionic gondotropin, overview
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furin is highly expressed in placental villi during early pregnancy, specifically in trophoblast column and trophoblast shell, regions where highly invasive cytotrophoblast cells invade the maternal decidua during human placentation
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proprotein convertase furin is highly expressed in syncytial trophoblast in the first trimester human placentas, and expression of furin in the syncytiotrophoblast is significantly lower in the placentas from pre-eclamptic patients as compared with their gestational age-matched control placentas
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proprotein convertase furin is highly expressed in syncytial trophoblast in the first trimester human placentas, and expression of furin in the syncytiotrophoblast is significantly lower in the placentas from pre-eclamptic patients as compared with their gestational age-matched control placentas
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additional information
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DF11 cell
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additional information
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lysate
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additional information
no PCSK3 in head, ovary, and small intestine, expression in the adult, not embryo stage
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additional information
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no PCSK3 in head, ovary, and small intestine, expression in the adult, not embryo stage
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additional information
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absent from LoVo cells
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additional information
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absent from LoVo-C5 cells
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additional information
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airway cell
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additional information
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preferentially expressed in T helper 1 cells in a Stat4-dependent manner
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additional information
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present in glucagon cells, absent from insulin cells, somatostatin cells and pancreatic polypeptide cells
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additional information
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Colo-16 cell
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colorectal carcinoma LoVo cell line is devoid of furin activity
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additional information
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furin is ubiquitously expressed
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additional information
cellular furin abundance in five human cell lines is shown to be strongly correlated with productive infectious bronchitis virus, IBV, infection, cells expressing furin, overview
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cellular furin abundance in five human cell lines is shown to be strongly correlated with productive infectious bronchitis virus, IBV, infection, cells expressing furin, overview
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additional information
the enzyme is constitutively expressed in all cell lines. No enzyme activity in LoVo colorectal carcinoma cells
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additional information
ubiquitous expression, although furin is expressed universally, expression levels vary and can be quite low depending on tissue types
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additional information
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ubiquitous expression, although furin is expressed universally, expression levels vary and can be quite low depending on tissue types
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additional information
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ATDC5 cell
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additional information
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furin mRNA and protein highly expressed in T helper 1 cells compared with T helper 2 cells. Stat4 binding sites in the putative promoter region (2000 bp upstream of exon 1). Also present in CD4+ T cells
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additional information
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furin is highly expressed in granulosa cells and oocytes of the ovary with very limited expression in other ovarian cells such as the epithelial, stromal or theca cells
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