5HK0

Crystal structure of M. tuberculosis MazF-mt3 (Rv1991c) in complex with RNA

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d5hk0a_	All beta proteins	SH3-like barrel	Cell growth inhibitor/plasmid maintenance toxic component	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d5hk0b_	All beta proteins	SH3-like barrel	Cell growth inhibitor/plasmid maintenance toxic component	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
C	d5hk0c_	All beta proteins	SH3-like barrel	Cell growth inhibitor/plasmid maintenance toxic component	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
D	d5hk0d_	All beta proteins	SH3-like barrel	Cell growth inhibitor/plasmid maintenance toxic component	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	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)
C	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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PemK_toxin	e5hk0A1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)
B	PemK_toxin	e5hk0B1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)
C	PemK_toxin	e5hk0C1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)
D	PemK_toxin	e5hk0D1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PemK_toxin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
B	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
C	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
D	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	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	Endoribonuclease MazF6	DNA binding binding organic cyclic compound binding nucleic acid binding endonuclease activity nuclease activity hydrolase activity, acting on ester bonds catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity hydrolase activity catalytic activity	catabolic process RNA metabolic process primary metabolic process rRNA catabolic process nucleic acid metabolic process macromolecule catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process ncRNA metabolic process nucleic acid catabolic process metabolic process catabolic process RNA metabolic process primary metabolic process rRNA catabolic process nucleic acid metabolic process macromolecule catabolic process organic cyclic compound catabolic process nucleobase-containing compound catabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process ncRNA metabolic process nucleic acid catabolic process metabolic process macromolecule metabolic process rRNA metabolic process organic substance catabolic process RNA catabolic process regulation of biological process regulation of growth negative regulation of growth negative regulation of biological process biological regulation growth regulation of cellular process cellular biosynthetic process negative regulation of cellular metabolic process organic substance biosynthetic process negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process negative regulation of cellular biosynthetic process regulation of cellular biosynthetic 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 cellular process regulation of metabolic process positive regulation of growth positive regulation of biological process biological process involved in interspecies interaction between organisms modulation by symbiont of host process modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction	extracellular region cellular anatomical entity
E, F	RNA (5'-R(APGPUPC)-D(PU)-R(PCPCPUPUPUP*C)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

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

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.