| D | B | e5xbyD2 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: Bacterial immunoglobulin/albumin-binding domains (From Topology) | T: Bacterial immunoglobulin/albumin-binding domains | F: B | ECOD (1.6) |
| D | RIIa | e5xbyD1 | A: alpha duplicates or obligate multimers | X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit | F: RIIa | ECOD (1.6) |
| C | B | e5xbyC2 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: Bacterial immunoglobulin/albumin-binding domains (From Topology) | T: Bacterial immunoglobulin/albumin-binding domains | F: B | ECOD (1.6) |
| C | RIIa | e5xbyC1 | A: alpha duplicates or obligate multimers | X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit | F: RIIa | ECOD (1.6) |
| B | B | e5xbyB1 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: Bacterial immunoglobulin/albumin-binding domains (From Topology) | T: Bacterial immunoglobulin/albumin-binding domains | F: B | ECOD (1.6) |
| B | RIIa | e5xbyB2 | A: alpha duplicates or obligate multimers | X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit | F: RIIa | ECOD (1.6) |
| A | RIIa | e5xbyA1 | A: alpha duplicates or obligate multimers | X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology) | T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit | F: RIIa | ECOD (1.6) |