1PP8
crystal structure of the T. vaginalis IBP39 Initiator binding domain (IBD) bound to the alpha-SCS Inr element
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
---|---|---|---|---|---|
I [auth U] | SCOP2B Superfamily | Winged helix DNA-binding domain | 8003145 | 3000034 | SCOP2B (2022-06-29) |
J [auth P] | SCOP2B Superfamily | Winged helix DNA-binding domain | 8003145 | 3000034 | SCOP2B (2022-06-29) |
K [auth F] | SCOP2B Superfamily | Winged helix DNA-binding domain | 8003145 | 3000034 | SCOP2B (2022-06-29) |
L [auth V] | SCOP2B Superfamily | Winged helix DNA-binding domain | 8003145 | 3000034 | SCOP2B (2022-06-29) |
M | SCOP2B Superfamily | Winged helix DNA-binding domain | 8003145 | 3000034 | SCOP2B (2022-06-29) |
N [auth O] | SCOP2B Superfamily | Winged helix DNA-binding domain | 8003145 | 3000034 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
I [auth U] | PF10416 | e1pp8U1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: PF10416 | ECOD (1.6) |
J [auth P] | PF10416 | e1pp8P1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: PF10416 | ECOD (1.6) |
K [auth F] | PF10416 | e1pp8F1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: PF10416 | ECOD (1.6) |
L [auth V] | PF10416 | e1pp8V1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: PF10416 | ECOD (1.6) |
M | PF10416 | e1pp8M1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: PF10416 | ECOD (1.6) |
N [auth O] | PF10416 | e1pp8O1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: PF10416 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF10416 | Transcription-initiator DNA-binding domain IBD (IBD) | Transcription-initiator DNA-binding domain IBD | In Trichomonas vaginalis, thought to be the earliest extant eukaryote, the sole initiator element for control of the start of transcription is Inr, and this is recognised by the initiator binding protein IBP39. IBP39 contains an N-terminal Inr bindin ... | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
---|---|---|---|---|
A [auth E], B [auth I], C [auth Y], D [auth K] | ALPHA-SCS INR | - | - | - |
E [auth T], F [auth R], G [auth J], H [auth G] | ALPHA-SCS INR | - | - | - |
39 kDa initiator binding protein | - | - |
InterPro: Protein Family Classification InterPro Database Homepage
Chains | Accession | Name | Type |
---|---|---|---|
IPR018845 | Initiator binding domain | Domain | |
IPR036184 | IBP39, C-terminal domain superfamily | Homologous Superfamily | |
IPR036388 | Winged helix-like DNA-binding domain superfamily | Homologous Superfamily | |
IPR036390 | Winged helix DNA-binding domain superfamily | Homologous Superfamily | |
IPR024238 | Initiator binding protein 39kDa, C-terminal | Domain |