Factor XI

More reference expression dataBioGPSEnsemblUniProtRefSeq (mRNA)RefSeq (protein)Location (UCSC)Chr 4: 186.27 – 186.29 MbChr 8: 45.69 – 45.72 MbPubMed searchWikidata

Factor XI, or plasma thromboplastin antecedent, is the zymogen form of factor XIa, one of the enzymes involved in coagulation. Like many other coagulation factors, it is a serine protease. In humans, factor XI is encoded by F11gene.