| D | Cytidylate_kin_2 | e4w5jD2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Cytidylate_kin_2 | ECOD (1.6) |
| D | ADK_lid | e4w5jD1 | A: few secondary structure elements | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: ADK_lid | ECOD (1.6) |
| C | Cytidylate_kin_2 | e4w5jC2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Cytidylate_kin_2 | ECOD (1.6) |
| C | ADK_lid | e4w5jC1 | A: few secondary structure elements | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: ADK_lid | ECOD (1.6) |
| B | Cytidylate_kin_2 | e4w5jB2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Cytidylate_kin_2 | ECOD (1.6) |
| B | ADK_lid | e4w5jB1 | A: few secondary structure elements | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: ADK_lid | ECOD (1.6) |
| A | Cytidylate_kin_2 | e4w5jA2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Cytidylate_kin_2 | ECOD (1.6) |
| A | ADK_lid | e4w5jA1 | A: few secondary structure elements | X: Rubredoxin-like | H: Rubredoxin-related | T: Rubredoxin-related | F: ADK_lid | ECOD (1.6) |