4LS4 | pdb_00004ls4

Crystal structure of L66S mutant toxin from Helicobacter pylori

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)
B	d4ls4b1	Alpha and beta proteins (a+b)	RelE-like	RelE-like	RelE-like	automated matches	(Helicobacter pylori 26695 ) [TaxId: 85962 ],	SCOPe (2.08)
B	d4ls4b2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Helicobacter pylori 26695 ) [TaxId: 85962 ],	SCOPe (2.08)
A	d4ls4a1	Alpha and beta proteins (a+b)	RelE-like	RelE-like	RelE-like	automated matches	(Helicobacter pylori 26695 ) [TaxId: 85962 ],	SCOPe (2.08)
A	d4ls4a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Helicobacter pylori 26695 ) [TaxId: 85962 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	RelE-like	8035396	3000741	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	RelE-like	8035396	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)
B	MreC	e4ls4B1	A: alpha bundles	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (develop294)
A	MreC	e4ls4A1	A: alpha bundles	X: DEATH domain	H: HTH	T: winged helix domain	F: MreC	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.2310.20	Alpha Beta	2-Layer Sandwich	YaeB-like fold	RelE-like	CATH (4.3.0)
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, B	PF05016	ParE toxin of type II toxin-antitoxin system, parDE (ParE_toxin)	ParE toxin of type II toxin-antitoxin system, parDE	ParE is the toxin family of a type II toxin-antitoxin family. It is toxic towards DNA gyrase, but is neutralised by the antitoxin ParD. The family also encompasses RelE/ParE described in [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Uncharacterized protein, Toxin	endonuclease activity nuclease activity catalytic activity, acting on RNA RNA endonuclease activity catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	cellular component disassembly protein-containing complex organization protein-containing complex disassembly primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process cellular component organization biosynthetic process cellular process metabolic process translational termination cellular component organization or biogenesis cellular component disassembly protein-containing complex organization protein-containing complex disassembly primary metabolic process translation gene expression protein biosynthetic process 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, B	IPR007712	Toxin-antitoxin system, RelE/ParE toxin family	Family
A, B	IPR004386	Toxin-antitoxin system, YafQ-like toxin	Family
A, B	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.