Annotations: 2JQT

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2jqta_	All alpha proteins	Open three-helical up-and-down bundle	Hemolysin expression modulating protein HHA	automated matches	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	HHA-like	8075909	4002903	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HHA-like	8075910	3001875	SCOP2 (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	HHA	e2jqtA1	A: alpha arrays	X: HHA-like	H: Hemolysin expression modulating protein HHA (From Topology)	T: Hemolysin expression modulating protein HHA	F: HHA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1280.40	Mainly Alpha	Up-down Bundle	Monooxygenase	HHA	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF05321	Haemolysin expression modulating protein (HHA)	Haemolysin expression modulating protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	H-NS/stpA-binding protein 2	DNA binding binding nucleic acid binding	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 cell aggregation biofilm formation regulation of single-species biofilm formation on inanimate substrate biological process involved in intraspecies interaction between organisms single-species biofilm formation on inanimate substrate single-species biofilm formation aggregation of unicellular organisms submerged biofilm formation negative regulation of single-species biofilm formation negative regulation of single-species biofilm formation on inanimate substrate regulation of single-species biofilm formation single-species submerged biofilm formation protein-containing complex disassembly positive regulation of macromolecule biosynthetic process regulation of protein-containing complex disassembly positive regulation of metabolic process positive regulation of macromolecule metabolic process cellular component disassembly positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process regulation of termination of DNA-templated transcription positive regulation of cellular component organization regulation of cellular component organization positive regulation of DNA-templated transcription positive regulation of biological process DNA-templated transcription termination positive regulation of termination of DNA-templated transcription cellular component organization positive regulation of biosynthetic process cellular component organization or biogenesis positive regulation of protein-containing complex disassembly positive regulation of cellular process protein-containing complex organization positive regulation of RNA biosynthetic process organelle organization bacterial nucleoid packaging chromosome organization	protein-containing complex transcription regulator complex H-NS-Cnu complex transcription repressor complex intracellular organelle bacterial nucleoid cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle nucleoid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036666	HHA superfamily	Homologous Superfamily
A	IPR007985	Haemolysin expression modulating, HHA	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.