In {TAIL ~ addition}, {HEAD ~ Exodus} lacks a conserved tyrosine and a threonine at position 47 and 51, respectively, that are present in all other human C C chemokines, including RANTES 
In { TAIL ~ addition } , { HEAD ~ Exodus } lacks a conserved tyrosine and a threonine at position 47 and 51 , respectively , that are present in all other human C C chemokines , including RANTES
REL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH