Annotations: 1HNR

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1hnra_	All alpha proteins	H-NS histone-like proteins	H-NS histone-like proteins	H-NS histone-like proteins	H1 protein (H-NS)	(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	H-NS histone-like proteins	8025303	4001815	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	H-NS histone-like proteins	8037682	3000427	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	PF00816	e1hnrA1	A: few secondary structure elements	X: H-NS histone-like proteins, C-terminal domain (From Topology)	H: H-NS histone-like proteins, C-terminal domain (From Topology)	T: H-NS histone-like proteins, C-terminal domain	F: PF00816	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	4.10.430.10	Few Secondary Structures	Irregular	H-NS DNA Binding Protein	Histone-like protein H-NS, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00816	H-NS histone family (Histone_HNS)	H-NS histone family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	H-NS	DNA binding bent DNA binding binding organic cyclic compound binding nucleic acid binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding transcription regulatory region nucleic acid binding DNA secondary structure binding minor groove of adenine-thymine-rich DNA binding RNA binding protein binding DNA binding bent DNA binding binding organic cyclic compound binding nucleic acid binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding double-stranded DNA binding transcription regulatory region nucleic acid binding DNA secondary structure binding minor groove of adenine-thymine-rich DNA binding RNA binding protein binding protein dimerization activity structural molecule activity structural constituent of chromatin identical protein binding transcription regulator activity DNA-binding transcription repressor activity DNA-binding transcription factor activity	regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process regulation of cellular process negative regulation of biological process negative regulation of cellular metabolic process regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription regulation of biological process cellular metabolic process negative regulation of metabolic process primary metabolic process regulation of cellular metabolic process negative regulation of cellular biosynthetic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound biosynthetic process metabolic 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 biosynthetic process RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process negative regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process negative regulation of biosynthetic process cellular process cellular component organization organelle organization bacterial nucleoid packaging chromosome organization cellular component organization or biogenesis organonitrogen compound biosynthetic process post-transcriptional regulation of gene expression protein metabolic process organonitrogen compound metabolic process regulation of protein metabolic process translation regulation of translation 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	H-NS-Hha complex protein-containing complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol bacterial nucleoid nucleoid DNA bending complex H-NS complex intracellular organelle organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle H-NS-Hha complex protein-containing complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol bacterial nucleoid nucleoid DNA bending complex H-NS complex intracellular organelle organelle intracellular non-membrane-bounded organelle non-membrane-bounded organelle membrane transcription regulator complex protein-DNA complex H-NS-Cnu complex transcription repressor complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001801	Histone-like protein H-NS	Family
A	IPR027454	Histone-like protein H-NS, N-terminal	Homologous Superfamily
A	IPR027444	Histone-like protein H-NS, C-terminal domain	Domain
A	IPR037150	Histone-like protein H-NS, C-terminal domain superfamily	Homologous Superfamily

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.