Exodus has {TAIL ~ a highly basic carboxy terminus}, more consistent with {HEAD ~ the MCP sub family} than RANTES 
Exodus has { TAIL ~ a highly basic carboxy terminus } , more consistent with { HEAD ~ the MCP sub family } than RANTES
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH