Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE DX4 A 91 |
| Chain | Residue |
| A | A21 |
| A | U22 |
| A | U47 |
| A | C50 |
| A | U51 |
| A | A52 |
| A | A73 |
| A | C74 |
| A | U75 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO A 101 |
| Chain | Residue |
| A | G46 |
| A | U47 |
| A | C50 |
| A | U51 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE NCO A 102 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NCO A 103 |
| Chain | Residue |
| A | G55 |
| A | G56 |
| A | G57 |
| A | G68 |
| A | U69 |
| site_id | AC5 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE NCO A 104 |
| Chain | Residue |
| A | G15 |
| A | G16 |
| A | C17 |
| A | G78 |
| A | G79 |
| A | U80 |
| A | C81 |
| C | G62 |
| C | U63 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO A 105 |
| Chain | Residue |
| A | C60 |
| A | U61 |
| A | G62 |
| C | C81 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NCO A 106 |
| Chain | Residue |
| A | A21 |
| A | U22 |
| A | A23 |
| B | C28 |
| B | G29 |
| site_id | AC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO A 108 |
| Chain | Residue |
| A | G27 |
| A | U67 |
| A | G68 |
| B | U69 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO A 110 |
| Chain | Residue |
| A | U36 |
| A | A37 |
| A | G38 |
| A | G57 |
| site_id | BC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DX4 B 91 |
| Chain | Residue |
| B | A21 |
| B | U22 |
| B | U47 |
| B | U51 |
| B | A52 |
| B | C74 |
| B | U75 |
| site_id | BC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO B 101 |
| Chain | Residue |
| B | G46 |
| B | U47 |
| B | C50 |
| B | U51 |
| site_id | BC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO B 102 |
| Chain | Residue |
| B | U30 |
| B | G31 |
| B | G32 |
| B | A66 |
| site_id | BC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO B 103 |
| Chain | Residue |
| B | G56 |
| B | G57 |
| B | G68 |
| B | U69 |
| site_id | BC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE NCO B 104 |
| Chain | Residue |
| B | G15 |
| B | G16 |
| B | G78 |
| B | G79 |
| B | U80 |
| D | G62 |
| D | U63 |
| site_id | BC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE NCO B 106 |
| Chain | Residue |
| A | C28 |
| A | G29 |
| B | A21 |
| B | U22 |
| B | A23 |
| C | A19 |
| C | U20 |
| site_id | BC7 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DX4 C 91 |
| Chain | Residue |
| C | A21 |
| C | U22 |
| C | U47 |
| C | C50 |
| C | U51 |
| C | A52 |
| C | C74 |
| site_id | BC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO C 101 |
| Chain | Residue |
| C | G46 |
| C | U47 |
| C | C50 |
| C | U51 |
| site_id | BC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO C 102 |
| Chain | Residue |
| C | U30 |
| C | G31 |
| C | G32 |
| C | A66 |
| site_id | CC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NCO C 103 |
| Chain | Residue |
| C | U69 |
| C | C39 |
| C | G56 |
| C | G57 |
| C | G68 |
| site_id | CC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NCO A 82 |
| Chain | Residue |
| A | G62 |
| A | U63 |
| C | G16 |
| C | G78 |
| C | G79 |
| C | U80 |
| site_id | CC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NCO C 106 |
| Chain | Residue |
| B | U20 |
| C | A21 |
| C | U22 |
| C | A23 |
| D | C28 |
| D | G29 |
| site_id | CC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE DX4 D 91 |
| Chain | Residue |
| D | A21 |
| D | U22 |
| D | U47 |
| D | U51 |
| D | A52 |
| D | A73 |
| D | C74 |
| D | U75 |
| site_id | CC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NCO D 101 |
| Chain | Residue |
| D | HOH1 |
| D | G46 |
| D | U47 |
| D | C50 |
| D | U51 |
| site_id | CC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE NCO D 102 |
| site_id | CC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO D 103 |
| Chain | Residue |
| D | G55 |
| D | G56 |
| D | G68 |
| D | U69 |
| site_id | CC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE NCO D 104 |
| Chain | Residue |
| B | U63 |
| D | G15 |
| D | G16 |
| D | C17 |
| D | G78 |
| D | G79 |
| D | U80 |
| site_id | CC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE NCO D 105 |
| site_id | DC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NCO D 106 |
| Chain | Residue |
| C | C28 |
| C | G29 |
| D | A21 |
| D | U22 |
| site_id | DC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE NCO D 108 |
| Chain | Residue |
| C | U26 |
| C | U69 |
| D | G27 |
| D | U67 |
| D | G68 |
| site_id | DC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE NCO C 110 |