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  Protein C

SourceRattus norvegicus (Norway rat)
Taxonomy Rattus norvegicus Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Glires; Rodentia; Sciurognathi; Muroidea; Muridae; Murinae; Rattus.
KeywordsBlood coagulation; Calcium; Cleavage on pair of basic residues; Disulfide bond; EGF-like domain; Gamma-carboxyglutamic acid; Glycoprotein; Hydrolase; Hydroxylation; Protease; Repeat; Serine protease; Signal; Zymogen.
Details
Function: Protein C is a vitamin K-dependent serine protease that regulates blood coagulation by inactivating factors Va and VIIIa in the presence of calcium ions and phospholipids.

Post-translational modification: The vitamin K-dependent, enzymatic carboxylation of some Glu residues allows the modified protein to bind calcium. 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.

Subunit structure: Synthesized as a single chain precursor, which is cleaved into a light chain and a heavy chain held together by a disulfide bond. The enzyme is then activated by thrombin, which cleaves a tetradecapeptide from the amino end of the heavy chain; this reaction, which occurs at the surface of endothelial cells, is strongly promoted by thrombomodulin.

Tissue specificity: Plasma; synthesized in the liver.

Sequence length: 461 AA.

Sequence
MWQFRIFLLFASTWGISGVSAHPDPVFSSSEGAHQVLRVRRANSFLEEVRAGSLERECME
EICDFEEAQEIFQNVEDTLAFWIKYFDGDQCSTPPLDHQCDSPCCGHGTCIDGLGGFSCS
CDKGWEGRFCQQEMGFQDCRVKNGGCYHYCLEETRGRRCRCAPGYELADDHMHCRPTVNF
PCGKLWKRTDKKRKNFKRDIDPEDEELELGPRIVNGTLTKQGDSPWQAILLDSKKKLACG
GVLIHTSWVLTAAHCLESSKKLTVRLGEYDLRRRDPWELDLDIKEVLVHPNYTRSNSDND
IALLRLSQPATLSKTIVPICLPNSGLAQELSQAGQETVVTGWGYQSDKVKDGRRNRTFIL
TFIRIPLAARNDCMQVMNNVVSENMLCAGIIGDTRDACDGDSGGPMVVFFRGTWFLVGLV
SWGEGCGHLNNYGVYTKVGSYLKWIHSYIGERDVSLKSPKL
Accession NumberP31394 
PubMed ID1627650 
CTD DB25268
eggNOG DBroNOG10647
Ensembl DBENSRNOT00000019596
GeneID DB25268
GermOnline DBENSRNOG00000014376
GO DB0005615, 0005509, 0004252, 0007596, 0050728, 0006508
InterPro DBIPR002383, IPR006209, IPR006210, IPR013032, IPR000152, IPR000742, IPR001881, IPR018097, IPR000294, IPR012224, IPR018114, IPR001254, IPR001314, IPR009003
IPI DBIPI00211817
KEGGrno:25268
NCBIX64336, CAA45617, NP_036935
OMIM105200, 134820, 202400, 134830, 202400, 134850, 202400, 176930, 601367, 134390, 188055, 227400, 600880, 601367, 612309, 227500, 134500, 306700, 300746, 306900, 227600, 176860, 188050, 612283, 612304
PfamPF00008, PF00594, PF00089
PROSITE DBPS00010, PS00022, PS01186, PS50026, PS01187, PS00011, PS50998, PS50240, PS00134, PS00135
SMART DBSM00181, SM00179, SM00069, SM00020
UCSCNM_012803
UniGeneRn.91064



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