Annotations: 3ZVK

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	Peptidase_C14	e3zvkE1	A: beta barrels	X: Baculovirus p35 protein-related	H: RIFT-related	T: Phage tail proteins	F: Peptidase_C14	ECOD (v294.2)
F	Peptidase_M14	e3zvkF1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (v294.2)
G	Peptidase_M14	e3zvkG1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (v294.2)
H	Peptidase_M14	e3zvkH1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (v294.2)
A	Thioredoxin	e3zvkA1	A: beta barrels	X: Baculovirus p35 protein-related	H: RIFT-related	T: Phage tail proteins	F: Thioredoxin	ECOD (v294.2)
B	Peptidase_M14	e3zvkB1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (v294.2)
C	Peptidase_M14	e3zvkC1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (v294.2)
D	Peptidase_M14	e3zvkD1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (4.3.0)
B	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (4.3.0)
C	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (4.3.0)
D	3.40.50.1010	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	5'-nuclease	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
J [auth Y]	DNA	-	-	-
I [auth X]	DNA	-	-	-
E, F, G, H	ANTITOXIN OF TOXIN-ANTITOXIN SYSTEM VAPB	DNA binding binding nucleic acid binding	-	-
A, B, C, D	TOXIN OF TOXIN-ANTITOXIN SYSTEM	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding hydrolase activity catalytic activity nuclease activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity	-	-

Chains	Accession	Name	Type
E, F, G, H	IPR051734	Type II toxin-antitoxin VapB antitoxins	Family
E, F, G, H	IPR047976	Antitoxin VapB2-like	Family
E, F, G, H	IPR037914	SpoVT-AbrB domain superfamily	Homologous Superfamily
E, F, G, H	IPR007159	SpoVT-AbrB domain	Domain
A, B, C, D	IPR002716	PIN domain	Domain
A, B, C, D	IPR029060	PIN-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR022907	VapC family	Family
A, B, C, D	IPR050556	Type II toxin-antitoxin system RNase	Family

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.

3ZVK | pdb_00003zvk