Immunogen sequence: DPGSLRCPVC LSMEGCLEGT TEEICPKGTT HCYDGLLRLR GGGIFSNLRV QGCMPQPVCN L. CD177 (NB1/HNA-2a and PRV-1 form) is a GPI-anchored glycoprotein present mainly on neutrophils. Its plasma membrane expression is increased during pregnancy and and