Annotations: 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)
G	Hemocyanin_C	e5xncG1	A: alpha arrays	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Hemocyanin_C	ECOD (v295)
F	Hemocyanin_C	e5xncF1	A: alpha arrays	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Hemocyanin_C	ECOD (v295)
E	Hemocyanin_C	e5xncE1	A: alpha arrays	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Hemocyanin_C	ECOD (v295)
D	Hemocyanin_C	e5xncD1	A: alpha arrays	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Hemocyanin_C	ECOD (v295)
C	Hemocyanin_C	e5xncC1	A: alpha arrays	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Hemocyanin_C	ECOD (v295)
B	BpsA_C	e5xncB1	A: alpha arrays	X: Major facilitator superfamily (MFS) general substrate transporter	H: Major facilitator superfamily (MFS) general substrate transporter	T: Major facilitator superfamily (MFS) general substrate transporter	F: BpsA_C	ECOD (v295)
A	Hemocyanin_C	e5xncA1	A: alpha arrays	X: Surp module (SWAP domain)	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Hemocyanin_C	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)
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)
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)
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)
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)
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)

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	transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity	amine metabolic process biogenic amine biosynthetic process biosynthetic process amine biosynthetic process polyamine biosynthetic process metabolic process cellular process polyamine metabolic process biogenic amine metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G	IPR051720	rRNA N6-Adenosine-Methyltransferase/Polyamine Synthase	Family
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

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.