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A famous example is dipeptidyl peptidase-4 (DPP-4) , which snips two residues off the N-terminus of GLP-1 and inactivates it almost immediately
This dose keeps vitamin B12 levels normal and stops deficiency symptoms from coming back
How Research Application classifies Peptides Peptides are typically grouped by the biological pathway theyre used to study rather than by their chemical structure alone
This vitamin is primarily found in animal products like meat, fish, and dairy
Patients seek treatment for medically-confirmed B12 deficiency causing fatigue, neurological symptoms, or anemia
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