From: Specialized or flexible feed-forward loop motifs: a question of topology
βXY, 1 | β XY, β Y | Z0|X = 0, Z HA |X > 0 | Z0|X > 0, Z HA |X = 0 | Slope | ϕX = 0, ϕX > 0 | ϕX = 0, ξ | Relation | Function |
---|---|---|---|---|---|---|---|---|
> | * | * | * | + | * | * | ξ > S > ϕX > 0 | G + |
> | * | < | * | - | * | * | ξ > S > ϕX > 0 | G + |
> | * | < | * | - | * | * | ξ > ϕX > 0> S | G + |
> | * | < | * | - | * | * | S > ξ > ϕX > 0 | G + |
∅ | > | > | * | * | * | * | ξ > S > ϕX > 0 | G + |
∅ | > | > | * | * | * | * | ξ > ϕX > 0> S | G + |
∅ | > | > | * | * | * | * | S > ξ > ϕX > 0 | G + |
* | < | * | * | * | * | < | ξ > S > ϕX > 0 | G + |
* | < | * | * | * | * | < | ξ > ϕX > 0> S | G + |
* | < | * | * | * | * | < | S > ξ > ϕX > 0 | G + |
* | < | * | * | * | > | * | ϕX > 0> S > ξ | G - |
> | * | * | * | + | * | * | ξ > ϕX > 0> S | P + T + |
> | * | * | * | + | * | * | S > ξ > ϕX > 0 | P + T + |
* | < | * | * | * | > | * | S > ϕX > 0> ξ | P - T - |
* | < | * | * | * | > | * | ϕX > 0> ξ > S | P - T - |
* | < | * | * | * | < | > | ϕX > 0> S > ξ | Impossible |
* | < | * | * | ∅ | < | > | ϕX > 0> ξ > S | P - T + |
* | < | * | * | ∅ | < | > | S > ϕX > 0> ξ | P - T + |