Peptide sequence: KEVTEFGNKY WLMLNEKEAQ QVYGGKEART EEMKWRQWAD DWLVHLISPN Sequence homology: Cow: 79%; Dog: 79%; Human: 100%; Mouse: 86%; Pig: 79%; Rat: 79%. The PTGES2 gene encodes for the enzyme prostaglandin E synthase 2 (PTGES2), which is crucial for