Annotations: 7AE8

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	DUF86	e7ae8D1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: DUF86	ECOD (1.6)
C	DUF86	e7ae8C1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: DUF86	ECOD (1.6)
B	DUF86	e7ae8B1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: DUF86	ECOD (1.6)
A	DUF86	e7ae8A1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: DUF86	ECOD (1.6)

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

Chains	Accession	Name	Type
A, B, C, D	IPR052379	Type VII TA system RNase	Family
A, B, C, D	IPR008201	Ribonuclease HepT-like	Domain
A, B, C, D	IPR037038	tRNA nuclease HepT-like superfamily	Homologous Superfamily