>tr|Q5YBS9|Q5YBS9_PRRSL Nucleoprotein OS=PRRSV LV4.2.1 MAGKNQSQKKKKSTAPMGNGQPVNQLCQLLGAMIKSQRQQPRGGQAKKKKPEKPHFPLAA EDDIRHHLTQTERSLCLQSIQTAFNQGAGTASLSSSGKVSFQVEFMLPVAHTVRLIRVTS TSASQGAS