Annotations: 3S1S

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	BpuSI_N	e3s1sA1	A: alpha arrays	X: Restriction endonuclease-like	H: Restriction endonuclease-like	T: Restriction endonuclease-like	F: BpuSI_N	ECOD (v295.2)
A		e3s1sA2	A: alpha arrays	X: DNA methylase specificity domain	H: DNA methylase specificity domain	T: DNA methylase specificity domain	F:	ECOD (v295.2)
A	N6_Mtase	e3s1sA3	A: alpha arrays	X: DNA methylase specificity domain	H: DNA methylase specificity domain	T: DNA methylase specificity domain	F: N6_Mtase	ECOD (v295.2)
A	BpuSI_TRD	e3s1sA4	A: alpha arrays	X: DNA methylase specificity domain	H: DNA methylase specificity domain	T: DNA methylase specificity domain	F: BpuSI_TRD	ECOD (v295.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1570.30	Alpha Beta	Alpha-Beta Complex	tt1808, chain A		CATH (4.3.0)
A	3.40.50.12420	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	restriction endonuclease BpuSI	DNA binding binding nucleic acid binding transferase activity, transferring one-carbon groups N-methyltransferase activity transferase activity methyltransferase activity catalytic activity	-	-

Chains	Accession	Name	Type
A	IPR029126	Restriction endonuclease BpuSI, N-terminal domain	Domain
A	IPR050953	N(4)/N(6)-adenine-specific DNA methyltransferase	Family
A	IPR054164	Restriction endonuclease BpuSI, specificity domain	Domain
A	IPR002052	DNA methylase, N-6 adenine-specific, conserved site	Conserved Site
A	IPR003356	DNA methylase, adenine-specific	Domain
A	IPR029063	S-adenosyl-L-methionine-dependent methyltransferase superfamily	Homologous Superfamily