| 1FU1 | e1fu1B2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e1fu1A2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e1fu1B3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e1fu1A3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e1fu1B1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e1fu1A1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 1IK9 | e1ik9A2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e1ik9B2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e1ik9A4 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e1ik9B3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e1ik9A1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e1ik9B1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 3II6 | e3ii6D2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3ii6C2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3ii6A2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3ii6B2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3ii6A3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3ii6B3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3ii6C3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3ii6D3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3ii6D1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3ii6C1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3ii6A1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3ii6B1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 3MUD | e3mudA1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3mudB3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3mudA2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3mudA3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3mudB2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 3Q4F | e3q4fC1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3q4fD3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3q4fG2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3q4fH3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3q4fC3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3q4fD1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3q4fG1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3q4fH1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3q4fC2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3q4fD2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3q4fG3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3q4fH2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 3RWR | e3rwrB3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrF3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrG2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrJ1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrK2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrN1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrP1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrR2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrV2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrU2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrY1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrA3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3rwrB1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrF1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrG3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrJ2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrK3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrN2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrP3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrR1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrV1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrU3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrY3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrA1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3rwrB2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrF2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrG1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrJ3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrK1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrN3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrP2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrR3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrV3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrU1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrY2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3rwrA2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 3SR2 | e3sr2A1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3sr2B2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3sr2E3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3sr2F1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3sr2A2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3sr2B1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3sr2E1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3sr2F3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3sr2A3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3sr2B3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3sr2E2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3sr2F2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 3W03 | e3w03C2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3w03D3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e3w03C1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3w03D2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e3w03C3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e3w03D1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 4XA4 | e4xa4A2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e4xa4B3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e4xa4A1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e4xa4B2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e4xa4A3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e4xa4B1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 5CHX | e5chxA2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5chxA1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5chxB1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 5CJ0 | e5cj0A1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5cj0B3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5cj0A2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5cj0B2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5cj0A3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5cj0B1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 5CJ4 | e5cj4B3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5cj4C1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5cj4A3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5cj4D2 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5cj4B2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5cj4C3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5cj4A1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5cj4D1 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5cj4B1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5cj4C2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5cj4A2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5cj4D3 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 5WJ7 | e5wj7A3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5wj7B3 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e5wj7A2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5wj7B1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 5WLZ | e5wlzD2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5wlzB2 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e5wlzC1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5wlzD1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5wlzA1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| e5wlzB1 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |
| 6ABO | e6aboA1 | 101.1.12 | HTH | HTH | HTH motif inserted in other structures | HTH_AraC |
| e6aboA3 | 3939.1.1 | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | XRCC4 C-terminal oligomerization domain | PAXX |
| e6aboA2 | 719.1.1 | XRCC4, N-terminal domain-like | XRCC4, N-terminal domain | XRCC4, N-terminal domain | XRCC4 |