2H3A | pdb_00002h3a

Structural basis for nucleic acid and toxin recognition of the bacterial antitoxin CcdA

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
D [auth B]	CcdA	e2h3aB1	A: alpha arrays	X: HTH	H: HTH	T: Ribbon-helix-helix	F: CcdA	ECOD (1.6)
C [auth A]	CcdA	e2h3aA1	A: alpha arrays	X: HTH	H: HTH	T: Ribbon-helix-helix	F: CcdA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth A]	1.10.1220.80	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant		CATH (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A], D [auth B]	CcdA	DNA binding binding nucleic acid binding molecular sequestering activity toxin sequestering activity	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process cellular component organization cellular component disassembly protein-containing complex organization protein-containing complex disassembly cellular component organization or biogenesis	protein-containing complex transcription regulator complex transcription repressor complex toxin-antitoxin complex
B [auth D]	5'-D(PTPCPGPGPGPTPAPTPAPCPAPTP*A)-3'	-	-	-
A [auth C]	5'-D(PAPTPAPTPGPTPAPTPAPCPCPCP*G)-3'	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A], D [auth B]	IPR009956	Post-segregation antitoxin CcdA	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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