4MMJ

crystal structure of YafQ from E.coli strain BL21(DE3)

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-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4mmja_	Alpha and beta proteins (a+b)	RelE-like	RelE-like	automated matches	automated matches	(Escherichia coli BL21(DE3) ) [TaxId: 469008 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	RelE-like	8063332	3000741	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	YafQ_toxin	e4mmjA1	A: a+b two layers	X: RelE-like	H: RelE-like (From Topology)	T: RelE-like	F: YafQ_toxin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.2310.20	Alpha Beta	2-Layer Sandwich	YaeB-like fold	RelE-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF15738	Bacterial toxin of type II toxin-antitoxin system, YafQ (YafQ_toxin)	Bacterial toxin of type II toxin-antitoxin system, YafQ	YafQ is a family of bacterial toxin ribonucleases of type II toxin-antitoxin systems. The E.coli gene is expressed from the dinB operon [1,2]. The cognate antitoxin for the E. coli protein is DinJ, in family RelB_antitoxin, Pfam:PF02604.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Addiction module toxin, RelE/StbE family	DNA binding 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 RNA binding	cellular component disassembly protein-containing complex organization protein-containing complex disassembly primary metabolic process translation gene expression macromolecule biosynthetic process cellular component organization biosynthetic process cellular process metabolic process translational termination cellular component organization or biogenesis protein metabolic process cellular component disassembly protein-containing complex organization protein-containing complex disassembly primary metabolic process translation gene expression macromolecule biosynthetic process cellular component organization biosynthetic process cellular process metabolic process translational termination cellular component organization or biogenesis protein metabolic process macromolecule metabolic process regulation of cellular process catabolic process negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic 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 mRNA metabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process regulation of metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR007712	Toxin-antitoxin system, RelE/ParE toxin family	Family
A	IPR004386	Toxin-antitoxin system, YafQ-like toxin	Family
A	IPR035093	Toxin-antitoxin system, RelE/ParE toxin domain superfamily	Homologous Superfamily

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.