0 -> BMAL1
BMAL1 -> 0
0 -> ROR
0 -> ROR
ROR -> 0
0 -> CRY + E4BP4
0 -> REV
0 -> REV
REV -> 0
0 -> DBP
DBP -> 0
E4BP4 -> 0
0 -> CRY
CRY + PER -> PERCRY
PERCRY -> CRY + PER
CRY -> 0
0 -> PER
0 -> PER
PER -> 0
PERCRY -> 0