Annotations: 6M6V

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	NTP_transf_2	e6m6vA1	A: a+b three layers	X: Nucleotidyltransferase-like	H: Nucleotidyltransferase (From Topology)	T: Nucleotidyltransferase	F: NTP_transf_2	ECOD (1.6)
B	NTase_sub_bind	e6m6vB1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: NTase_sub_bind	ECOD (1.6)
C	NTase_sub_bind	e6m6vC1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: NTase_sub_bind	ECOD (1.6)
D	NTase_sub_bind	e6m6vD1	A: alpha bundles	X: Four-helical up-and-down bundle	H: HEPN	T: Nucleotidyltransferase substrate binding subunit/domain	F: NTase_sub_bind	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A	PF18765	Polymerase beta, Nucleotidyltransferase (Polbeta)	Polymerase beta, Nucleotidyltransferase	A member of the nucleotidyltransferase fold found in polymorphic toxins (NTox45) and polyvalent proteins [1].	Domain
B, C, D	PF01934	Ribonuclease HepT-like (HepT-like)	Ribonuclease HepT-like	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Toxin-antitoxin system antidote Mnt family	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 DNA binding nucleic acid binding transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups cation binding metal ion binding	-	-
E, F, G	RNA (5'-R(PAPAP*A)-3')	-	-	-
B, C, D	Toxin-antitoxin system toxin HepN family	endonuclease activity nuclease activity catalytic activity, acting on a nucleic acid catalytic activity 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	IPR041633	Polymerase beta, nucleotidyltransferase	Domain
A	IPR043519	Nucleotidyltransferase superfamily	Homologous Superfamily
A	IPR052930	Type VII TA system antitoxin MntA	Family
B, C, D	IPR052379	Type VII TA system RNase	Family
B, C, D	IPR008201	Ribonuclease HepT-like	Family
B, C, D	IPR037038	tRNA nuclease HepT-like superfamily	Homologous Superfamily