| Q4PRK9 | n/a | 6txr | O0Q | A | 402 | e6txrA1 | Rossmann-like | Rossmann-related | NAD(P)-binding Rossmann-fold domains | Ldh_1_N |
| Q4PRK9 | n/a | 6txr | O0Q | B | 402 | e6txrB2 | LDH C-terminal domain-like | LDH C-terminal domain-like | LDH C-terminal domain-like | Ldh_1_C |
| Q4PRK9 | n/a | 6txr | O0Q | C | 402 | e6txrC1 | Rossmann-like | Rossmann-related | NAD(P)-binding Rossmann-fold domains | Ldh_1_N |
| Q4PRK9 | n/a | 6txr | O0Q | D | 402 | e6txrC1 | Rossmann-like | Rossmann-related | NAD(P)-binding Rossmann-fold domains | Ldh_1_N |
| Q4PRK9 | n/a | 6txr | O0Q | D | 402 | e6txrD2 | LDH C-terminal domain-like | LDH C-terminal domain-like | LDH C-terminal domain-like | Ldh_1_C |