factor XIII cleaved tetramer + 2 Ca++ -> factor XIIIa + 2 factor XIII B chain (Xenopus tropicalis)
factor xiii cleaved tetramer + 2 ca++ -> factor xiiia + 2 factor xiii b chain (xenopus tropicalis)
factor XIII cleaved tetramer + 2 Ca++ -> factor XIIIa + 2 factor XIII B chain (Xenopus tropicalis)
factor xiii cleaved tetramer + 2 ca++ -> factor xiiia + 2 factor xiii b chain (xenopus tropicalis)