>sp|P19400|API3_ASCSU Major pepsin inhibitor 3 OS=Ascaris suum MHVWLILSLASLWTSSIAYSQFLFSMSTGPFICTVKDNQVFVANLPWTMLEGDDIQVGKE FAARVEDCTNVKHDMAPTCTKPPPFCGPQDMKMFNFVGCSVLGNKLFIDQKYVRDLTAKD HAEVQTFREKIAAFEEQQENQPPSSGMPHGAVPAGGLSPPPPPSFCTVQ