👉 Umbilicate is a term used in the field of biochemistry that refers to a type of protein which contains only one amino acid and can be found in all living organisms. Umbilicals are typically found in bacteria, fungi, and some plants. They are characterized by having a single, unique amino acid at their N-terminus, where other amino acids are attached to the C-terminus. Umbilicals have been identified in various forms of life, including bacteria, fungi