| Q9UBT2 | DB00171 | 1y8q | ATP | B | 802 | e1y8qB1 | Rossmann-like | Rossmann-related | Activating enzymes of the ubiquitin-like proteins | ThiF |
| Q9UBT2 | DB00171 | 1y8q | ATP | B | 802 | e1y8qB2 | Catalytic cysteine domain in ubiquitin-activating enzyme | Catalytic cysteine domain in ubiquitin-activating enzyme | Catalytic cysteine domain in ubiquitin-activating enzyme | n/a |
| Q9UBT2 | DB00171 | 1y8q | ATP | D | 801 | e1y8qD1 | Rossmann-like | Rossmann-related | Activating enzymes of the ubiquitin-like proteins | ThiF |
| Q9UBT2 | DB00171 | 1y8q | ATP | D | 801 | e1y8qD2 | Catalytic cysteine domain in ubiquitin-activating enzyme | Catalytic cysteine domain in ubiquitin-activating enzyme | Catalytic cysteine domain in ubiquitin-activating enzyme | n/a |
| Q9UBT2 | DB00171 | 1y8r | ATP | B | 802 | e1y8rB1 | Rossmann-like | Rossmann-related | Activating enzymes of the ubiquitin-like proteins | ThiF |
| Q9UBT2 | DB00171 | 1y8r | ATP | E | 801 | e1y8rE2 | Rossmann-like | Rossmann-related | Activating enzymes of the ubiquitin-like proteins | ThiF |
| Q9UBT2 | DB00171 | 1y8r | ATP | E | 801 | e1y8rE3 | Catalytic cysteine domain in ubiquitin-activating enzyme | Catalytic cysteine domain in ubiquitin-activating enzyme | Catalytic cysteine domain in ubiquitin-activating enzyme | n/a |