The T6 backbone pilin of serotype M6 Streptococcus pyogenes has a modular three-domain structure decorated with variable loops and extensions
External Resource: Annotation
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
| A | SCOP2 Family | Gram-positive pilin BB domain-like | 8045798 | 4004692 | SCOP2 (2022-06-29) |
| A | SCOP2 Family | Gram-positive pilin N-terminal domain-like | 8092046 | 4004671 | SCOP2 (2022-06-29) |
| A | SCOP2 Family | Gram-positive pilin backbone D3 domain-like | 8092051 | 4004691 | SCOP2 (2022-06-29) |
| A | SCOP2 Superfamily | Bacterial adhesin-like | 8048172 | 3000723 | SCOP2 (2022-06-29) |
| A | SCOP2 Superfamily | Cna B-type domain-like | 8092047 | 3000862 | SCOP2 (2022-06-29) |
| A | SCOP2 Superfamily | Cna B-type domain-like | 8092052 | 3000862 | SCOP2 (2022-06-29) |
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
| A | | e4p0dA1 | A: Carbon-nitrogen hydrolase-like | X: Metallo-dependent phosphatases | H: Metallo-dependent phosphatases | T: Metallophos | F: | ECOD (20:10:01) |