Factor VII, wanda kuma aka sani da proconvertin, furotin ne wanda ke taka muhimmiyar rawa a cikin kasidar coagulation na jini. Yana daya daga cikin abubuwan da ke tattare da jini guda 13 da ke aiki tare don samar da gudan jini don amsa rauni ko rauni. Ana samar da Factor VII a cikin hanta kuma yana yawo a cikin jini a cikin wani nau'i marar aiki har sai an kunna shi ta hanyar ƙwayar tsoka, furotin da ƙwayoyin da suka lalace suke fitowa. Da zarar an kunna, factor VII yana taimakawa wajen fara tsarin clotting ta hanyar canza factor IX da factor X zuwa cikin nau'o'in aiki, wanda zai ci gaba da kunna ƙarin abubuwan clotting. Rashin gazawa ko rashin aiki na factor VII na iya haifar da rikice-rikice na jini, yayin da yawan ma'auni na VII zai iya ƙara haɗarin gudan jini.