Entry
Name
coagulation factor XIa;
blood-coagulation factor XIa;
activated blood-coagulation factor XI;
activated plasma thromboplastin antecedent
Class
Hydrolases;
Acting on peptide bonds (peptidases);
Serine endopeptidases
BRITE hierarchy
Reaction(IUBMB)
Selective cleavage of Arg!Ala and Arg!Val bonds in factor IX to form factor IXa
Comment
In peptidase family S1 (trypsin family), and one of the gamma-carboxyglutamic acid-containing blood coagulation factors. The proenzyme factor XI is activated by factor XIIa
History
EC 3.4.21.27 created 1978
Orthology
Genes
MCOC : 116071382(F11) 116104793
TRU : 101065630 101079225 101079451 115251705
MSAM : 119907799 119907800
ALIM : 106532068 106532069
AALB : 109409339 109419086 115266916
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Taxonomy
Reference
1
Authors
Kurachi K, Davie EW.
Title
Human factor XI (plasma thromboplastin antecedent).
Journal
Methods Enzymol 80:211-220 (1981)
Reference
Authors
Cho K, Tanaka T, Cook RR, Kisiel W, Fujikawa K, Kurachi K, Powers JC.
Title
Active-site mapping of bovine and human blood coagulation serine proteases using synthetic peptide 4-nitroanilide and thio ester substrates.
Journal
Reference
Authors
Fujikawa K, Chung DW, Hendrickson LE, Davie EW
Title
Amino acid sequence of human factor XI, a blood coagulation factor with four tandem repeats that are highly homologous with plasma prekallikrein.
Journal
Sequence
Other DBs
ExPASy - ENZYME nomenclature database: 3.4.21.27
LinkDB
All DBs