Coagulation factor XI
Sign in to saveAlso known as PTA, F11, plasma thromboplastin antecedent, coagualtion factor XI, factor XI
mammalian protein found in Homo sapiens
Protein · UniProt
Coagulation factor XI
- Gene
- F11
- Organism
- Homo sapiens (Human)
- Length
- 625 aa
- Molecular mass
- 70,109 Da
- Evidence
- 1: Evidence at protein level
Factor XI triggers the middle phase of the intrinsic pathway of blood coagulation by activating factor IX
3D-structureAlternative splicingBlood coagulationDirect protein sequencingDisease variantDisulfide bondGlycoproteinHemostasis
View on UniProt →
Swiss-Prot (reviewed) · via UniProt
Research
30,946 papers- Liver-heart cross-talk mediated by coagulation factor XI protects against heart failure.Science (New York, N.Y.) · 2022
- Factor XI and coagulation. Factor XI inhibitors - antithrombotic perspectives.Romanian journal of internal medicine = Revue roumaine de medecine interne · 2024
- Coagulation factor XI regulates endothelial cell permeability and barrier function in vitro and in vivo.Blood · 2024
- Anticoagulant drugs targeting factor XI/XIa and coagulation tests: we urgently need reliable pharmacodynamic data.Journal of thrombosis and haemostasis : JTH · 2025
- Coagulation factor XI and cardiovascular disease: A complex, cardio-specific conundrum.Med (New York, N.Y.) · 2026
via PubMed
Clinical Trials
28 registered- PHASE3RECRUITINGREGN7508 Versus Apixaban and Enoxaparin for Thromboprophylaxis After Total Knee Arthroplasty in AdultsRegeneron Pharmaceuticals · NCT07015905
- PHASE3RECRUITINGTreatment and Secondary Prevention of Venous Thromboembolism (VTE) in Adult Participants With Solid and Hematologic CancersRegeneron Pharmaceuticals · NCT07493304
- PHASE2ACTIVE_NOT_RECRUITINGFactor XI inhibiTion for the Prevention of Venous Thromboembolism in Patients Undergoing Total Knee ArthroplastySuzhou Alphamab Co., Ltd. · NCT06180889
- NAUNKNOWNThe Proteins of the Contact Activation SystemHospices Civils de Lyon · NCT02785718
- PHASE2COMPLETEDA Trial to Learn How Well REGN9933 Works for Preventing Blood Clots After Knee Replacement Surgery in Adult ParticipantsRegeneron Pharmaceuticals · NCT05618808
- UNKNOWNThrombus Formation Under Different Flow-conditionsMaastricht University Medical Center · NCT01114074
Wikidata facts
- Instance of
- protein
Show 5 more facts
- biological process
- blood coagulation
- Commons category
- Plasma thromboplastin antecedent
- cell component
- extracellular exosome
- found in taxon
- Homo sapiens
- exact match
- purl.uniprot.org/uniprot/P03951
via Wikidata · CC0