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  Protein C

SourceHomo sapiens (human)
Taxonomy Homo sapiens Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
Keywords3D-structure; Blood coagulation; Calcium; Cleavage on pair of basic residues; Complete proteome; Direct protein sequencing; Disease mutation; Disulfide bond; EGF-like domain; Gamma-carboxyglutamic acid; Glycoprotein; Hydrolase; Hydroxylation; Polymorphism; Protease; Repeat; Serine protease; Signal; Thrombophilia; 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. Partial (70%) N-glycosylation of Asn-371 with an atypical N-X-C site produces a higher molecular weight form referred to as alpha. The lower molecular weight form, not glycosylated at Asn-371, is beta. The iron and 2-oxoglutarate dependent 3-hydroxylation of aspartate and asparagine is (R) stereospecific within EGF domains.

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.

Disease: Defects in PROC are the cause of protein C deficiency autosomal dominant (ADPROCD) Defects in PROC are the cause of protein C deficiency autosomal recessive (ARPROCD)

Interaction: P51511:MMP15; NbExp=2; IntAct=EBI-1383018, EBI-1383043.

Sequence length: 461 AA.

Sequence
MWQLTSLLLFVATWGISGTPAPLDSVFSSSERAHQVLRIRKRANSFLEELRHSSLERECI
EEICDFEEAKEIFQNVDDTLAFWSKHVDGDQCLVLPLEHPCASLCCGHGTCIDGIGSFSC
DCRSGWEGRFCQREVSFLNCSLDNGGCTHYCLEEVGWRRCSCAPGYKLGDDLLQCHPAVK
FPCGRPWKRMEKKRSHLKRDTEDQEDQVDPRLIDGKMTRRGDSPWQVVLLDSKKKLACGA
VLIHPSWVLTAAHCMDESKKLLVRLGEYDLRRWEKWELDLDIKEVFVHPNYSKSTTDNDI
ALLHLAQPATLSQTIVPICLPDSGLAERELNQAGQETLVTGWGYHSSREKEAKRNRTFVL
NFIKIPVVPHNECSEVMSNMVSENMLCAGILGDRQDACEGDSGGPMVASFHGTWFLVGLV
SWGEGCGLLHNYGVYTKVSRYLDWIHGHIRDKEAPQKSWAP
Accession NumberP04070 
PubMed ID2991859, 2991887, 3511471, 15815621, 15489334, 8560401, 8477066, 6589623, 7878626, 1694179, 1544894, 16335952, 8003977, 9003757, 8446940, 2437584, 2602169, 1868249, 1347706, 1611081, 1511988, 1511989, 1301959, 1593215, 8324221, 8499565, 8499568, 8292730, 8398832, 7919373, 7841323, 7841324, 7865674, 7974343, 7605880, 7792728, 8829639, 9798967 
CEX DBHS_PROC
CTD DB5624
eggNOG DBprNOG07393
Ensembl DBENST00000234071
Genecard DBGC02P127892
GeneID DB5624
GermOnline DBENSG00000115718
GO DB0005576, 0005886, 0005509, 0005515, 0004252, 0007596, 0043066, 0030195, 0006508
HGNC DB9451
HPA DBCAB016721, CAB016792, HPA005550
InterPro DBIPR002383, IPR006210, IPR013032, IPR000152, IPR000742, IPR001881, IPR018097, IPR000294, IPR012224, IPR018114, IPR001254, IPR001314, IPR009003
H-InvDBHIX0002434
IPI DBIPI00021817
KEGGhsa:5624
NCBIX02750, CAA26528, M11228, AAA60166, M12712, AAA60165, M12683, M12684, M12685, M12686, M12687, AF378903.2, AAK56377, AC068282.8, AAY15044, CH471103, EAW95320, BC034377, AAH34377, S58668, AAB26335, K02059, AAA60164, S76088, S76090, NP_000303
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
Orphanet DB745
PDB1AUT_C, 1AUT_L, 1LQV_C, 1LQV_D, 1PCU_A, 2PCT_A, 3F6U_H, 3F6U_L
PfamPF00594, PF00089
PharmaGKBPA33799
PROSITE DBPS00010, PS00022, PS01186, PS50026, PS01187, PS00011, PS50998, PS50240, PS00134, PS00135
SMART DBSM00181, SM00179, SM00069, SM00020
UCSCuc002tok.1
UniGeneHs.224698



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