Crystal structure of the branched-chain polyamine synthase (BpsA) in complex with N4-aminopropylspermidine and 5-methylthioadenosine
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) | 
|---|---|---|---|---|---|---|---|---|
| G | UNK_F_TYPE | e5xncG1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: UNK_F_TYPE | ECOD (1.6) | 
| G | DUF43 | e5xncG2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: DUF43 | ECOD (1.6) | 
| F | UNK_F_TYPE | e5xncF1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: UNK_F_TYPE | ECOD (1.6) | 
| F | DUF43 | e5xncF2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: DUF43 | ECOD (1.6) | 
| E | UNK_F_TYPE | e5xncE1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: UNK_F_TYPE | ECOD (1.6) | 
| E | DUF43 | e5xncE2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: DUF43 | ECOD (1.6) | 
| D | UNK_F_TYPE | e5xncD2 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: UNK_F_TYPE | ECOD (1.6) | 
| D | DUF43 | e5xncD1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: DUF43 | ECOD (1.6) | 
| C | UNK_F_TYPE | e5xncC1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: UNK_F_TYPE | ECOD (1.6) | 
| C | DUF43 | e5xncC2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: DUF43 | ECOD (1.6) | 
| B | UNK_F_TYPE | e5xncB1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: UNK_F_TYPE | ECOD (1.6) | 
| B | DUF43 | e5xncB2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: DUF43 | ECOD (1.6) | 
| A | UNK_F_TYPE | e5xncA1 | A: alpha arrays | X: HTH | H: HTH | T: winged | F: UNK_F_TYPE | ECOD (1.6) | 
| A | DUF43 | e5xncA2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: DUF43 | ECOD (1.6) | 
Domain Annotation: CATH CATH Database Homepage
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source | 
|---|---|---|---|---|---|
| PF01861 | Branched-chain polyamine synthase A C-terminal domain (BpsA_C) | Branched-chain polyamine synthase A C-terminal domain | This domain is found in the C terminus of N(4)-bis(aminopropyl)spermidine synthase (EC:2.5.1.128, also known as Branched-chain polyamine synthase A, BpsA) from hyperthermophiles [1] and in uncharacterised proteins from bacteria and archaea. | Domain | 
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component | 
|---|---|---|---|---|
| N(4)-bis(aminopropyl)spermidine synthase | 
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type | 
|---|---|---|---|
| IPR051720 | rRNA N6-Adenosine-Methyltransferase/Polyamine Synthase | Family | |
| IPR002723 | N(4)-bis(aminopropyl)spermidine synthase, C-terminal | Domain | |
| IPR029063 | S-adenosyl-L-methionine-dependent methyltransferase superfamily | Homologous Superfamily | |
| IPR036388 | Winged helix-like DNA-binding domain superfamily | Homologous Superfamily | |
| IPR014435 | N(4)-bis(aminopropyl)spermidine synthase | Family | 














