5XE3 | pdb_00005xe3

Endoribonuclease in complex with its cognate antitoxin from Mycobacterial species

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F [auth E]	UNK_F_TYPE	e5xe3E1	A: alpha arrays	X: HTH	H: HTH	T: Ribbon-helix-helix	F: UNK_F_TYPE	ECOD (1.6)
E [auth B]	PemK_toxin	e5xe3B1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)
D [auth A]	PemK_toxin	e5xe3A1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)
B [auth D]	PemK_toxin	e5xe3D1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)
A [auth C]	PemK_toxin	e5xe3C1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C], B [auth D], D [auth A], E [auth B]	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
C [auth F], F [auth E]	Probable antitoxin MazE4	-	-	-
A [auth C], B [auth D], D [auth A], E [auth B]	Endoribonuclease MazF4	enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity 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	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 cellular process negative regulation of biological process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process regulation of biological process negative regulation of metabolic process biological regulation 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	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth D], D [auth A], E [auth B]	IPR011067	Plasmid maintenance toxin/Cell growth inhibitor	Homologous Superfamily
A [auth C], B [auth D], D [auth A], E [auth B]	IPR003477	mRNA interferase PemK-like	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.