>4N21_1|Chains A, B, C, D, E, F|GP2 Ectodomain|CAS virus (1223561) MHHHHHHENLYFQGNMKQIEDKIEEILSKIYHIENEIARIKKLIGAIASKIIKTANYTTNALFLLNKEESEIRDHVVEHELALNYLLAHQGGLCNVVKGPMCSSDIDDFSKNVSDMIDKVHEEMKKFYHE