| P43490 | n/a | 5upe | 8HY | A | 901 | e5upeA1 | TIM beta/alpha-barrel | Nicotinate/Quinolinate PRTase C-terminal domain-like | Nicotinate/Quinolinate PRTase C-terminal domain-like | NAPRTase |
| P43490 | n/a | 5upe | 8HY | A | 901 | e5upeB1 | alpha/beta-Hammerhead/Barrel-sandwich hybrid | alpha/beta-Hammerhead/Barrel-sandwich hybrid | Nicotinate/Quinolinate PRTase N-terminal domain-like | NAMPT_N |
| P43490 | n/a | 5upe | 8HY | B | 501 | e5upeA1 | TIM beta/alpha-barrel | Nicotinate/Quinolinate PRTase C-terminal domain-like | Nicotinate/Quinolinate PRTase C-terminal domain-like | NAPRTase |
| P43490 | n/a | 5upe | 8HY | B | 501 | e5upeA2 | alpha/beta-Hammerhead/Barrel-sandwich hybrid | alpha/beta-Hammerhead/Barrel-sandwich hybrid | Nicotinate/Quinolinate PRTase N-terminal domain-like | NAMPT_N |
| P43490 | n/a | 5upe | 8HY | B | 501 | e5upeB2 | TIM beta/alpha-barrel | Nicotinate/Quinolinate PRTase C-terminal domain-like | Nicotinate/Quinolinate PRTase C-terminal domain-like | NAPRTase |