Peptide sequence: KKSFYWARKT SHSFVVNILA QALYELFSAT DDSLHQLRKA CFLYFKLGGE Sequence homology: Cow: 100%; Dog: 93%; Guinea Pig: 86%; Horse: 86%; Human: 100%; Mouse: 100%; Pig: 93%; Rabbit: 100%; Rat: 93%; Sheep: 100%; Zebrafish: 86%. SQLE, also named as ERG