The T6 backbone pilin of serotype M6 Streptococcus pyogenes has a modular three-domain structure decorated with variable loops and extensions
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| 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) |
Domain Annotation: ECOD Classification ECOD Database Homepage
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A | 2.60.40.740 | Mainly Beta | Sandwich | Immunoglobulin-like | CATH (4.3.0) | |
| A | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR013783 | Immunoglobulin-like fold | Homologous Superfamily | |
| IPR041033 | SpaA-like, prealbumin fold domain subgroup 1 | Domain | |
| IPR041184 | T6 antigen, Ig-like domain | Domain | |
| IPR019931 | LPXTG cell wall anchor motif | Conserved Site |














