Annotations: 1EY1

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ey1a_	All alpha proteins	NusB-like	NusB-like	Antitermination factor NusB	Antitermination factor NusB	(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	Antitermination factor NusB	8025626	4001076	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	NusB-like	8038005	3000679	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	NusB	e1ey1A1	A: alpha complex topology	X: NusB-like (From Topology)	H: NusB-like (From Topology)	T: NusB-like	F: NusB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.940.10	Mainly Alpha	Orthogonal Bundle	N-utilizing Substance Protein B Homolog	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01029	NusB family (NusB)	NusB family	The NusB protein is involved in the regulation of rRNA biosynthesis by transcriptional antitermination.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	ANTITERMINATION FACTOR NUSB	RNA binding binding nucleic acid binding	negative regulation of termination of DNA-templated transcription regulation of cellular process negative regulation of biological process protein-containing complex disassembly positive regulation of macromolecule biosynthetic process regulation of protein-containing complex disassembly regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of macromolecule metabolic process negative regulation of nucleobase-containing compound metabolic process negative regulation of termination of DNA-templated transcription regulation of cellular process negative regulation of biological process protein-containing complex disassembly positive regulation of macromolecule biosynthetic process regulation of protein-containing complex disassembly regulation of primary metabolic process negative regulation of RNA biosynthetic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of macromolecule metabolic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process cellular component disassembly negative regulation of DNA-templated transcription regulation of biological process negative regulation of cellular component organization negative regulation of metabolic process primary metabolic process regulation of gene expression biosynthetic process negative regulation of macromolecule biosynthetic process regulation of termination of DNA-templated transcription regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process regulation of cellular component organization transcription antitermination positive regulation of biological process RNA metabolic process DNA-templated transcription termination RNA biosynthetic process cellular component organization nucleic acid biosynthetic process positive regulation of biosynthetic process negative regulation of protein-containing complex disassembly negative regulation of cellular process cellular component organization or biogenesis positive regulation of cellular process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process protein-containing complex organization biological regulation regulation of macromolecule metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process positive regulation of gene expression negative regulation of biosynthetic process cellular process regulation of DNA-templated transcription elongation DNA-templated transcription elongation cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle protein-containing complex transcription elongation factor complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle protein-containing complex transcription elongation factor complex nucleus membrane-enclosed lumen nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR035926	NusB-like superfamily	Homologous Superfamily
A	IPR011605	NusB antitermination factor	Family
A	IPR006027	NusB/RsmB/TIM44	Domain

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.