>tr|W0USW9|W0USW9_HEVBR Serine protease inhibitor OS=Hevea brasiliensis OX=3981 GN=spi PE=2 SV=1 MASQCPVKDAWPELIGTNGDIAAGIIETENANVKAIVLKKGSPMTMEYNLCRVLVFVDDN RVVTQAPAIG