| D | SRP54_N | e2xkvD1 | A: alpha bundles | X: Domain of the SRP/SRP receptor G proteins-like | H: Domain of the SRP/SRP receptor G-proteins (From Topology) | T: Domain of the SRP/SRP receptor G-proteins | F: SRP54_N | ECOD (1.6) |
| D | SRP54 | e2xkvD3 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: SRP54 | ECOD (1.6) |
| C | SRP_SPB | e2xkvC1 | A: alpha arrays | X: HTH | H: HTH | T: tri-helical | F: SRP_SPB | ECOD (1.6) |
| A | SRP54_N | e2xkvA1 | A: alpha bundles | X: Domain of the SRP/SRP receptor G proteins-like | H: Domain of the SRP/SRP receptor G-proteins (From Topology) | T: Domain of the SRP/SRP receptor G-proteins | F: SRP54_N | ECOD (1.6) |
| A | SRP54 | e2xkvA2 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: SRP54 | ECOD (1.6) |