9IKD | pdb_00009ikd

The apo structure of the MazF-mt3 toxin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
L [auth K]	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
K [auth L]	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8083770	3000352	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	PemK_toxin	e9ikdC1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: PemK_toxin	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E, A, B, C, D, E, F, G, H, I, J, K [auth L], L [auth K]	PF02452	PemK-like, MazF-like toxin of type II toxin-antitoxin system (PemK_toxin)	PemK-like, MazF-like toxin of type II toxin-antitoxin system	PemK is a growth inhibitor in E. coli known to bind to the promoter region of the Pem operon, auto-regulating synthesis. This family represents the toxin molecule of a typical bacterial toxin-antitoxin system pairing. The family includes a number of ...	PemK is a growth inhibitor in E. coli known to bind to the promoter region of the Pem operon, auto-regulating synthesis. This family represents the toxin molecule of a typical bacterial toxin-antitoxin system pairing. The family includes a number of different toxins, such as MazF, Kid, PemK, ChpA, ChpB and ChpAK.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E, A, B, C, D, E, F, G, H, I, J, K [auth L], L [auth K]	Endoribonuclease MazF6	DNA binding binding nucleic acid binding endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity hydrolase activity	catabolic process RNA metabolic process primary metabolic process rRNA catabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process rRNA metabolic process RNA catabolic process catabolic process RNA metabolic process primary metabolic process rRNA catabolic process nucleic acid metabolic process macromolecule catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process nucleic acid catabolic process metabolic process cellular process macromolecule metabolic process rRNA metabolic process RNA catabolic process regulation of biological process regulation of growth negative regulation of growth negative regulation of biological process biological regulation growth biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction regulation of cellular process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process negative regulation of metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of metabolic process positive regulation of growth positive regulation of biological process	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E, A, B, C, D, E, F, G, H, I, J, K [auth L], L [auth K]	IPR011067	Plasmid maintenance toxin/Cell growth inhibitor	Homologous Superfamily
A, B, C, D, E, A, B, C, D, E, F, G, H, I, J, K [auth L], L [auth K]	IPR003477	mRNA interferase PemK-like	Family

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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.