Annotations: 7AE2

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DUF86	e7ae2A1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: DUF86	ECOD (1.6)
B	NTP_transf_2	e7ae2B1	A: a+b three layers	X: Nucleotidyltransferase-like	H: Nucleotidyltransferase (From Topology)	T: Nucleotidyltransferase	F: NTP_transf_2	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.120.580	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	bsu32300-like	CATH (utative)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	HEPN toxin	hydrolase activity catalytic activity endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding catalytic activity, acting on RNA RNA nuclease activity	-	protein-containing complex transcription regulator complex toxin-antitoxin complex transcription repressor complex
B	MNT ANTITOXIN	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding adenylyltransferase activity transferase activity nucleotidyltransferase activity catalytic activity AMPylase activity transferase activity, transferring phosphorus-containing groups cation binding metal ion binding	-	-

Chains	Accession	Name	Type
A	IPR052379	Type VII TA system RNase	Family
A	IPR008201	Ribonuclease HepT-like	Domain
A	IPR037038	tRNA nuclease HepT-like superfamily	Homologous Superfamily
B	IPR052930	Protein adenylyltransferase MntA	Family
B	IPR041633	Polymerase beta, nucleotidyltransferase	Domain
B	IPR043519	Nucleotidyltransferase superfamily	Homologous Superfamily