4ICG | pdb_00004icg

N-terminal dimerization domain of H-NS in complex with Hha (Salmonella Typhimurium)

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)
D	d4icgd_	All alpha proteins	Open three-helical up-and-down bundle	Hemolysin expression modulating protein HHA	Hemolysin expression modulating protein HHA	automated matches	(Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 ) [TaxId: 99287 ],	SCOPe (2.08)
B [auth C]	d4icgc_	All alpha proteins	Open three-helical up-and-down bundle	Hemolysin expression modulating protein HHA	Hemolysin expression modulating protein HHA	automated matches	(Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 ) [TaxId: 99287 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2 Family	HHA-like	8075905	4002903	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	HHA-like	8075906	3001875	SCOP2 (2022-06-29)
B [auth C]	SCOP2B Superfamily	HHA-like	8075906	3001875	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)
D	CaMBD	e4icgD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NagB/RpiA/CoA transferase-like	F: CaMBD	ECOD (v294.1)
B [auth C]	FtsJ	e4icgC1	A: a/b three-layered sandwiches	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: FtsJ	ECOD (v294.1)
C [auth A]	Pyrid_oxidase_2	e4icgA1	A: a/b three-layered sandwiches	X: PBZ domain	H: PBZ domain	T: PBZ domain	F: Pyrid_oxidase_2	ECOD (v294.1)
A [auth B]	Pyrid_oxidase_2	e4icgB1	A: a/b three-layered sandwiches	X: PBZ domain	H: PBZ domain	T: PBZ domain	F: Pyrid_oxidase_2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.20.1280.40	Mainly Alpha	Up-down Bundle	Monooxygenase	HHA	CATH (4.3.0)
B [auth C]	1.20.1280.40	Mainly Alpha	Up-down Bundle	Monooxygenase	HHA	CATH (4.3.0)
C [auth A]	1.10.287.1050	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	H-NS histone-like proteins	CATH (4.3.0)
A [auth B]	1.10.287.1050	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	H-NS histone-like proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth C], D	PF05321	Haemolysin expression modulating protein (HHA)	Haemolysin expression modulating protein	-	Family
A [auth B], C [auth A]	PF22470	H-NS histone-like proteins, N-terminal domain (Histone_HNS_N)	H-NS histone-like proteins, N-terminal domain	This entry corresponds to the N-terminal oligomerisation domain of H-NS histone-like proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth C], D	Hemolysin expression modulating protein (Involved in environmental regulation of virulence factors)	-	-	-
A [auth B], C [auth A]	DNA-binding protein H-NS	DNA binding bent DNA binding 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 protein binding protein dimerization activity structural molecule activity DNA binding bent DNA binding 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 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 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 chromatin organization chromatin remodeling cellular component organization or biogenesis epigenetic regulation of gene expression negative regulation of gene expression negative regulation of gene expression, epigenetic	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex protein-DNA complex nucleoid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth C], D	IPR036666	HHA superfamily	Homologous Superfamily
B [auth C], D	IPR007985	Haemolysin expression modulating, HHA	Family
A [auth B], C [auth A]	IPR027454	Histone-like protein H-NS, N-terminal	Homologous Superfamily
A [auth B], C [auth A]	IPR027444	DNA-binding protein H-NS-like, C-terminal domain	Domain
A [auth B], C [auth A]	IPR054180	DNA-binding protein H-NS-like, N-terminal domain	Domain
A [auth B], C [auth A]	IPR037150	Histone-like protein H-NS, C-terminal domain superfamily	Homologous Superfamily
A [auth B], C [auth A]	IPR001801	DNA-binding protein H-NS-like	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.