<prompt> Vitamin required for bone formation as well as coagulation cascade is:ADEK  <response>: Vitamin K is the cofactor for g-carboxylation of glutamate residues of protein to produce g-carboxy glutamate gla. This process is known as Vitamin K epoxide cycle. Clotting factors contain 4 to 6 g-carboxyglutamate residues:- Eg- II VII IX X Protein C Protein S Protein Z Osteocalcin Transthyretin Prealbumin 