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  Coagulation factor XII

SourceHomo sapiens (human)
Taxonomy Homo sapiens Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
KeywordsBlood coagulation; Complete proteome; Direct protein sequencing; Disease mutation; Disulfide bond; EGF-like domain; Fibrinolysis; Glycoprotein; Hydrolase; Kringle; Polymorphism; Protease; Repeat; Secreted; Serine protease; Signal; Zymogen.
Details
Function: Factor XII is a serum glycoprotein that participates in the initiation of blood coagulation, fibrinolysis, and the generation of bradykinin and angiotensin. Prekallikrein is cleaved by factor XII to form kallikrein, which then cleaves factor XII first to alpha-factor XIIa and then to beta-factor XIIa. Alpha-factor XIIa activates factor XI to factor XIa.

Post-translational modification: O- and N-glycosylated. The O-linked polysaccharides were not identified, but are probably the mucin type linked to GalNAc.

Similarity: Belongs to the peptidase S1 family. Contains 2 EGF-like domains. Contains 1 fibronectin type-I domain. Contains 1 fibronectin type-II domain. Contains 1 kringle domain. Contains 1 peptidase S1 domain.

Subcellular location: Secreted.

Disease: Defects in F12 are the cause of factor XII deficiency (FA12D) Defects in F12 are the cause of hereditary angioedema type 3 (HAE3)

Sequence length: 615 AA.

Sequence
MRALLLLGFLLVSLESTLSIPPWEAPKEHKYKAEEHTVVLTVTGEPCHFPFQYHRQLYHK
CTHKGRPGPQPWCATTPNFDQDQRWGYCLEPKKVKDHCSKHSPCQKGGTCVNMPSGPHCL
CPQHLTGNHCQKEKCFEPQLLRFFHKNEIWYRTEQAAVARCQCKGPDAHCQRLASQACRT
NPCLHGGRCLEVEGHRLCHCPVGYTGPFCDVDTKASCYDGRGLSYRGLARTTLSGAPCQP
WASEATYRNVTAEQARNWGLGGHAFCRNPDNDIRPWCFVLNRDRLSWEYCDLAQCQTPTQ
AAPPTPVSPRLHVPLMPAQPAPPKPQPTTRTPPQSQTPGALPAKREQPPSLTRNGPLSCG
QRLRKSLSSMTRVVGGLVALRGAHPYIAALYWGHSFCAGSLIAPCWVLTAAHCLQDRPAP
EDLTVVLGQERRNHSCEPCQTLAVRSYRLHEAFSPVSYQHDLALLRLQEDADGSCALLSP
YVQPVCLPSGAARPSETTLCQVAGWGHQFEGAEEYASFLQEAQVPFLSLERCSAPDVHGS
SILPGMLCAGFLEGGTDACQGDSGGPLVCEDQAAERRLTLQGIISWGSGCGDRNKPGVYT
DVAYYLAWIREHTVS
Accession NumberP00748 
PubMed ID2888762, 3754331, 3877053, 3011063, 3886654, 6604055, 8528215, 1544894, 14760718, 16335952, 2882793, 2510163, 8049433, 9354665, 10361128, 11776307, 15205584, 15617741, 16638441, 17186468 
CEX DBHS_F12
CTD DB2161
eggNOG DBprNOG12652
Ensembl DBENST00000253496
CATHG3DSA:2.40.20.10
Genecard DBGC05M176761
GeneID DB2161
GermOnline DBENSG00000131187
GO DB0005615, 0051787, 0004252, 0007597, 0002542, 0042730, 0045087, 0030194, 0051919, 0010756, 0016540, 0006508, 0051788, 0031638
HGNC DB3530
HOGENOM DBHBG755338
HPA DBHPA003825
InterPro DBIPR014394, IPR006209, IPR006210, IPR013032, IPR000742, IPR000083, IPR000562, IPR000001, IPR013806, IPR018056, IPR018059, IPR018114, IPR001254, IPR001314, IPR009003
H-InvDBHIX0005461
IPI DBIPI00019581
KEGGhsa:2161
NCBIM17466, AAB59490, M17464, M17465, AF538691, AAM97932, M31315, AAA70225, M11723, AAA51986, M13147, AAA70224, U71274, AAB51203, NP_000496.2
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, 176880, 612336, 264900, 612416, 234000, 610618, 610619
Orphanet DB91378, 330
PfamPF00008, PF00039, PF00040, PF00051, PF00089
PharmaGKBPA24969
PROSITE DBPS00022, PS01186, PS50026, PS01253, PS51091, PS00023, PS51092, PS00021, PS50070, PS50240, PS00134, PS00135
SMART DBSM00181, SM00058, SM00059, SM00130, SM00020
UCSCuc003mgo.2
UniGeneHs.1321



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