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  Coagulation factor IX

SourceFelis catus (domestic cat)
Taxonomy Felis catus Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Laurasiatheria; Carnivora; Feliformia; Felidae; Felinae; Felis.
KeywordsBlood coagulation; Calcium; Cleavage on pair of basic residues; Disulfide bond; EGF-like domain; Gamma-carboxyglutamic acid; Glycoprotein; Hydrolase; Hydroxylation; Phosphoprotein; Protease; Repeat; Secreted; Serine protease; Signal; Sulfation; Zymogen.
Details
Function: Factor IX is a vitamin K-dependent plasma protein that participates in the intrinsic pathway of blood coagulation by converting factor X to its active form in the presence of Ca(2 ) ions, phospholipids, and factor VIIIa (By similarity).

Post-translational modification: Activated by factor XIa, which excises the activation peptide (By similarity). The iron and 2-oxoglutarate dependent 3-hydroxylation of aspartate and asparagine is (R) stereospecific within EGF domains (By similarity).

Similarity: Belongs to the peptidase S1 family. Contains 2 EGF-like domains. Contains 1 Gla (gamma-carboxy-glutamate) domain. Contains 1 peptidase S1 domain.

Subcellular location: Secreted (By similarity).

Subunit structure: Heterodimer of a light chain and a heavy chain; disulfide-linked (By similarity).

Sequence length: 466 AA.

Sequence
MRCLNMIMAEPPGLITICLLGYLLGADCTVFLDHEDATKVLSRPKRYNSGKLEEFVQGNL
ERECMEEKCSFEEAREVFENTEKTTEFWKQYVDGDQCESNPCLNGGICKDDINSYECWCQ
TGFEGKNCELDVTCNIKNGRCKQFCKLDADNKVVCSCTTGYQLAEDQKSCEPAVPFPCGR
VSVPHISTTHTRAETLFLNMDYENSTTDYENSAEAEKNVDNVTQPLNDLTRIVGGKTAKP
GQFPWQVLLKGKIDAFCGGSIINEKWVVTAAHCINPDVEITVVAGEHNTEETEHTEQKRN
VIRTILHHSYNASVNKYSHDIALLELDEPLTLNSYVTPICVADREYTNTFLKFGYGYVSG
WGKVFNKGRPATILQYLKVPLVDRATCLRSTKFTIYNNMFCAGFHEGGKDSCQGDSGGPH
VTEVEGINFLTGIISWGEECAMKGKYGIYTKVSRYVNWIKEKTKLT
Accession NumberQ6SA95 
CTD DB493973
GeneID DB493973
GO DB0005576, 0005509, 0004252, 0007596, 0006508
InterPro DBIPR002383, IPR006209, IPR006210, IPR013032, IPR000152, IPR001438, IPR000742, IPR001881, IPR018097, IPR000294, IPR012224, IPR018114, IPR001254, IPR001314, IPR009003
NCBIAY461386, AAR26346, AY461381, AY461382, AY461383, AY461384, AY461385
OMIM105200, 134820, 202400, 134830, 202400, 134850, 202400, 176930, 601367, 134390, 188055, 227400, 600880, 601367, 612309, 227500, 134500, 306700, 300746, 306900
PfamPF00008, PF00594, PF00089
PROSITE DBPS00010, PS00022, PS01186, PS50026, PS01187, PS00011, PS50998, PS50240, PS00134, PS00135
SMART DBSM00181, SM00179, SM00069, SM00020



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