GP2 and epilepsy: We found the increased relative abundance of GP1(H3N3F1), GP2(H3N4), GP3(H3N5), GP4(H3N4F1), GP5(H5N2), GP11[H4N5F1(3)], and GP13(H5N5) and the reduced relative abundance of GP7(H4N4), GP8[H4N4F1(6)], GP9[H4N4 F1(3)], GP10[H4N5F1(6)], GP12(H5N4), GP14(H5N4F1), GP15(H5N5F1), GP16[H4N4F1S1(3)], and GP21(H5N4S2) in the epilepsy patients compared with the healthy controls.