Fc gamma receptor IIIb MWQLLLPTAL LLLVSAGMRT DLPKAVVFLE PQWYSVLEKD SVTLKCQGAY SPEDNSTQWF HNENLISSQA SSYFIDAATV NDSGEYRCQT NLSTLSDPVQ LEVHIGWLLL QAPRWVFKEE DPIHLRCHSW KNTALHKVTY LQNGKDRKYF HHNSDFHIPK ATLKDSGSYF CRGLVGSKNV SSETVNITIT QGLAVSTISS FSPPGYQVSF CLVMVLLFAV DTGLYFSVKT NI