Table 1. The predicted transmembrane (TM), intracellular loop (IL) and extracellular loop (EL) regions of the human CCR4 protein.

N terminus	mnptdiadttldesiysnyylyesipkpctkegi
TM1	kafgelflpplyslvfvfgllgnsvvvlvlfky
IL1	Klrs
TM2	mtdvyllnlaisdllfvfslpfwgyyaadq
EL2	Wfg
TM3	lglckmiswmylvgfysgiffvmlmsidrylaiv
IL2	havfslrart
TM4	ltygvitslatwsvavfaslpgfl
EL2	fstcyternhtycktkyslnsttw
TM5	kvlssleinilglviplgimlfcysmiirt
IL3	lqhcknekknk
TM6	avkmifavvvlflgfwtpynivlfletlve
IL3	levlqdctferyldyaiq
TM7	atetlafvhcclnpiiyfflgekfr
C terminus	kyilqlfktcrglfvlcqycgllqiysadtpsssytqstmdhdlhdal