| 1F0J | e1f0jB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1f0jA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1RO6 | e1ro6A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1ro6B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1RO9 | e1ro9A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1ro9B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1ROR | e1rorB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1rorA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1TB5 | e1tb5A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1tb5B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XLX | e1xlxB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xlxA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XLZ | e1xlzB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xlzA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XM4 | e1xm4B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xm4A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XM6 | e1xm6A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xm6B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XMU | e1xmuB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xmuA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XMY | e1xmyA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xmyB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XN0 | e1xn0B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xn0A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XOS | e1xosA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1XOT | e1xotB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1xotA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1Y2H | e1y2hB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1y2hA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 1Y2J | e1y2jB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e1y2jA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 2QYL | e2qylA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3D3P | e3d3pA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3FRG | e3frgA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3G45 | e3g45A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3g45B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3GWT | e3gwtA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3HMV | e3hmvA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3hmvB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3KKT | e3kktA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3kktB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3LY2 | e3ly2A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3ly2B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3ly2C1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3ly2D1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3ly2E1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3ly2F1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3ly2G1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3ly2H1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3O0J | e3o0jA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3O56 | e3o56A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3O57 | e3o57A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3W5E | e3w5eA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3w5eB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 3WD9 | e3wd9A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e3wd9B1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 4KP6 | e4kp6A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 4MYQ | e4myqA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 4NW7 | e4nw7A1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 4WZI | e4wziB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e4wziA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e4wziB2 | 3954.1.1 | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | PDE4_UCR |
| e4wziA2 | 3954.1.1 | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | PDE4_UCR |
| 4X0F | e4x0fA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e4x0fB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e4x0fA2 | 3954.1.1 | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | PDE4_UCR |
| e4x0fB2 | 3954.1.1 | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | Phosphodiesterase 4 upstream conserved regions (UCR) | PDE4_UCR |
| 5K6J | e5k6jA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 5LAQ | e5laqA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| 5OHJ | e5ohjA1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |
| e5ohjB1 | 131.1.1 | PDEase-like | HD-domain/PDEase-like | HD-domain/PDEase-like | PDEase_I |