| P43490 | n/a | 7ppe | 7YK | A | 502 | e7ppeA1 | TIM beta/alpha-barrel | Nicotinate/Quinolinate PRTase C-terminal domain-like | Nicotinate/Quinolinate PRTase C-terminal domain-like | NAPRTase |
| P43490 | n/a | 7ppe | 7YK | A | 502 | e7ppeB3 | alpha/beta-Hammerhead/Barrel-sandwich hybrid | alpha/beta-Hammerhead/Barrel-sandwich hybrid | Nicotinate/Quinolinate PRTase N-terminal domain-like | NAPRTase,NAMPT_N |
| P43490 | n/a | 7ppe | 7YK | B | 502 | e7ppeA1 | TIM beta/alpha-barrel | Nicotinate/Quinolinate PRTase C-terminal domain-like | Nicotinate/Quinolinate PRTase C-terminal domain-like | NAPRTase |
| P43490 | n/a | 7ppe | 7YK | B | 502 | e7ppeA2 | alpha/beta-Hammerhead/Barrel-sandwich hybrid | alpha/beta-Hammerhead/Barrel-sandwich hybrid | Nicotinate/Quinolinate PRTase N-terminal domain-like | NAMPT_N |
| P43490 | n/a | 7ppe | 7YK | B | 502 | e7ppeB2 | TIM beta/alpha-barrel | TIM barrels | TIM barrels | NAPRTase |