| 1 | 6N6C|1|D (rep) | | RNA (5'-R(P*AP*A)-3') | synthetic construct | | | Vibrio cholerae Oligoribonuclease bound to pAA | X-ray diffraction | 1.62 | 2 | 2019-06-12 |
| 2 | 6N6J|1|C | | RNA (5'-R(P*AP*A)-3') | synthetic construct | | | Human REXO2 bound to pAA | X-ray diffraction | 1.32 | 2 | 2019-06-12 |
| 3 | 6N6J|1|D | | RNA (5'-R(P*AP*A)-3') | synthetic construct | | | Human REXO2 bound to pAA | X-ray diffraction | 1.32 | 2 | 2019-06-12 |
| 4 | 7MPM|1|B | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 5 | 7MPM|1|H | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 6 | 7MPM|1|L | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 7 | 7MPM|1|F | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 8 | 7MPM|1|J | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 9 | 7MPM|1|D | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 10 | 7MPM|1|P | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 11 | 7MPM|1|N | | 5'-phosphorylated AA | synthetic construct | | | Bartonella henselae NrnC bound to pAA | X-ray diffraction | 1.95 | 2 | 2021-09-15 |
| 12 | 6P7Q|1|E | | RNA (5'-R(P*AP*A)-3') | Escherichia coli | | | Structure of E. coli MS115-1 NucC, 5'-pApA bound form | X-ray diffraction | 1.66 | 2 | 2019-12-25 |
| 13 | 6P7Q|1|F | | RNA (5'-R(P*AP*A)-3') | Escherichia coli | | | Structure of E. coli MS115-1 NucC, 5'-pApA bound form | X-ray diffraction | 1.66 | 2 | 2019-12-25 |
| 14 | 6P7Q|1|D | | RNA (5'-R(P*AP*A)-3') | Escherichia coli | | | Structure of E. coli MS115-1 NucC, 5'-pApA bound form | X-ray diffraction | 1.66 | 2 | 2019-12-25 |
| 15 | 8JBB|1|D | | RNA (5'-R(*AP*(A23))-3') | synthetic construct | | | Crystal Structure of the Csm6 from Thermus thermophilus HB8 in complex with A2>p | X-ray diffraction | 1.81 | 2 | 2023-12-13 |
| 16 | 5XSP|1|C | | DNA (5'-R(P*AP*A)-3') | synthetic construct | | | The catalytic domain of GdpP with 5'-pApA | X-ray diffraction | 2.146 | 2 | 2018-01-31 |
| 17 | 5XSP|1|D | | DNA (5'-R(P*AP*A)-3') | synthetic construct | | | The catalytic domain of GdpP with 5'-pApA | X-ray diffraction | 2.146 | 2 | 2018-01-31 |
| 18 | 6RCL|1|C | | RNA (5'-R(P*AP*A)-3') | synthetic construct | | | Crystal structure of REXO2-D199A-AA | X-ray diffraction | 1.97 | 2 | 2019-10-09 |
| 19 | 8JBB|1|C | | RNA (5'-R(*AP*(A23))-3') | synthetic construct | | | Crystal Structure of the Csm6 from Thermus thermophilus HB8 in complex with A2>p | X-ray diffraction | 1.81 | 2 | 2023-12-13 |
| 20 | 5JJU|1|C | | RNA (5'-R(P*AP*A)-3') | synthetic construct | | | Crystal structure of Rv2837c complexed with 5'-pApA and 5'-AMP | X-ray diffraction | 2.31 | 2 | 2016-05-04 |
| 21 | 8Y7G|1|E | | RNA (5'-R(P*AP*A)-3') | Marinitoga sp. 1155 | | | Crystal structure of the Marinitoga sp. Csx1-Crn2 H495A mutant in complex with cyclic-tetraadenylate (cA4) | X-ray diffraction | 3.15 | 2 | 2024-07-17 |
| 22 | 8Y7G|1|D | | RNA (5'-R(P*AP*A)-3') | Marinitoga sp. 1155 | | | Crystal structure of the Marinitoga sp. Csx1-Crn2 H495A mutant in complex with cyclic-tetraadenylate (cA4) | X-ray diffraction | 3.15 | 2 | 2024-07-17 |
| 23 | 9MMW|1|Q | | RNA (5'-R(*AP*(A23))-3') | Thermoanaerobaculum aquaticum | | | CRISPR-associated deaminase Cad1 in cA4 bound in hexamer form refined against the consensus map | Electron microscopy | 2.36 | 2 | 2025-11-12 |
| 24 | 9MMW|1|D | | RNA (5'-R(*AP*(A23))-3') | Thermoanaerobaculum aquaticum | | | CRISPR-associated deaminase Cad1 in cA4 bound in hexamer form refined against the consensus map | Electron microscopy | 2.36 | 2 | 2025-11-12 |
| 25 | 9MMW|1|C | | RNA (5'-R(*AP*(A23))-3') | Thermoanaerobaculum aquaticum | | | CRISPR-associated deaminase Cad1 in cA4 bound in hexamer form refined against the consensus map | Electron microscopy | 2.36 | 2 | 2025-11-12 |
| 26 | 9MMW|1|T | | RNA (5'-R(*AP*(A23))-3') | Thermoanaerobaculum aquaticum | | | CRISPR-associated deaminase Cad1 in cA4 bound in hexamer form refined against the consensus map | Electron microscopy | 2.36 | 2 | 2025-11-12 |
| 27 | 9MMW|1|I | | RNA (5'-R(*AP*(A23))-3') | Thermoanaerobaculum aquaticum | | | CRISPR-associated deaminase Cad1 in cA4 bound in hexamer form refined against the consensus map | Electron microscopy | 2.36 | 2 | 2025-11-12 |
| 28 | 9MMW|1|J | | RNA (5'-R(*AP*(A23))-3') | Thermoanaerobaculum aquaticum | | | CRISPR-associated deaminase Cad1 in cA4 bound in hexamer form refined against the consensus map | Electron microscopy | 2.36 | 2 | 2025-11-12 |
| 29 | 9OFE|1|J | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with two intact dimers | Electron microscopy | 2.68 | 2 | 2025-08-20 |
| 30 | 9OFD|1|C | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with one intact dimer | Electron microscopy | 2.86 | 2 | 2025-08-20 |
| 31 | 9OFC|1|C | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with three intact dimers | Electron microscopy | 3.17 | 2 | 2025-08-20 |
| 32 | 9OFC|1|N | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with three intact dimers | Electron microscopy | 3.17 | 2 | 2025-08-20 |
| 33 | 9OFC|1|J | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with three intact dimers | Electron microscopy | 3.17 | 2 | 2025-08-20 |
| 34 | 9OFE|1|D | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with two intact dimers | Electron microscopy | 2.68 | 2 | 2025-08-20 |
| 35 | 9OFB|1|C | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, symmetry expanded dimer refined against a composite map | Electron microscopy | 2.68 | 2 | 2025-08-20 |
| 36 | 9OFD|1|D | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with one intact dimer | Electron microscopy | 2.86 | 2 | 2025-08-20 |
| 37 | 9OFC|1|D | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with three intact dimers | Electron microscopy | 3.17 | 2 | 2025-08-20 |
| 38 | 9OFC|1|I | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with three intact dimers | Electron microscopy | 3.17 | 2 | 2025-08-20 |
| 39 | 9OFB|1|D | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, symmetry expanded dimer refined against a composite map | Electron microscopy | 2.68 | 2 | 2025-08-20 |
| 40 | 9OFE|1|C | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with two intact dimers | Electron microscopy | 2.68 | 2 | 2025-08-20 |
| 41 | 9OFE|1|I | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with two intact dimers | Electron microscopy | 2.68 | 2 | 2025-08-20 |
| 42 | 9OFC|1|M | | cA4 cleavage product, A2>P | Thermoanaerobaculum aquaticum | | | CryoEM structure of Cad1 bound with cA4 and ATP, hexamer with three intact dimers | Electron microscopy | 3.17 | 2 | 2025-08-20 |
| 43 | 4EJT|1|G | | 5'-R(*AP*A)-3' | | | | Staphylococcus epidermidis TcaR in complex with RNA | X-ray diffraction | 3 | 2 | 2013-06-05 |