5XNC

Crystal structure of the branched-chain polyamine synthase (BpsA) in complex with N4-aminopropylspermidine and 5-methylthioadenosine

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e5xncA1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF01861	e5xncA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01861	ECOD (1.6)
B	F_UNCLASSIFIED	e5xncB1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF01861	e5xncB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01861	ECOD (1.6)
C	F_UNCLASSIFIED	e5xncC1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF01861	e5xncC2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01861	ECOD (1.6)
D	F_UNCLASSIFIED	e5xncD2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF01861	e5xncD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01861	ECOD (1.6)
E	F_UNCLASSIFIED	e5xncE1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: F_UNCLASSIFIED	ECOD (1.6)
E	PF01861	e5xncE2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01861	ECOD (1.6)
F	F_UNCLASSIFIED	e5xncF1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: F_UNCLASSIFIED	ECOD (1.6)
F	PF01861	e5xncF2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01861	ECOD (1.6)
G	F_UNCLASSIFIED	e5xncG1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: F_UNCLASSIFIED	ECOD (1.6)
G	PF01861	e5xncG2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: PF01861	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
A	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
B	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
B	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
C	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
C	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
D	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
D	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
E	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
E	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
F	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
F	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)
G	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)
G	3.40.50.150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Vaccinia Virus protein VP39	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G	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
A, B, C, D, E A, B, C, D, E, F, G	N(4)-bis(aminopropyl)spermidine synthase	RNA methyltransferase activity rRNA methyltransferase activity catalytic activity, acting on RNA transferase activity, transferring one-carbon groups catalytic activity, acting on a nucleic acid transferase activity catalytic activity, acting on a rRNA S-adenosylmethionine-dependent methyltransferase activity rRNA (adenine-N6-)-methyltransferase activity N-methyltransferase activity methyltransferase activity rRNA (adenine) methyltransferase activity catalytic activity transferase activity, transferring alkyl or aryl (other than methyl) groups	organonitrogen compound metabolic process organonitrogen compound biosynthetic process polyamine metabolic process amine metabolic process biogenic amine biosynthetic process organic substance metabolic process biosynthetic process amine biosynthetic process polyamine biosynthetic process organic substance biosynthetic process metabolic process biogenic amine metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G	IPR002723	N(4)-bis(aminopropyl)spermidine synthase, C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G	IPR014435	N(4)-bis(aminopropyl)spermidine synthase	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.