transglutaminase

noun

trans·​glu·​ta·​min·​ase -ˈglüt-ə-mə-ˌnās  -glü-ˈtam-ə-ˌnāz 

: any of various enzymes that form strong bonds between glutamine and lysine residues in proteins including one that is the active form of clotting factor XIII promoting the formation of cross-links between strands of fibrin