Annotations: 2XHC

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Secretin_N	e2xhcA5	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: Secretin_N	ECOD (v294.1)
A	PI3K_rbd,PIK3CG_ABD	e2xhcA1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: PI3K_rbd,PIK3CG_ABD	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.940	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	NusG, N-terminal domain	CATH (4.3.0)
A	2.30.30.30	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF18298	NusG additional domain (NusG_add)	NusG additional domain	This domain is found in Thermotoga maritima NusG, which interacts with RNA polymerase and other proteins to form multi-component complexes that modulate transcription. This domain is referred to as Domain II and is an additional domain inserted into ...	This domain is found in Thermotoga maritima NusG, which interacts with RNA polymerase and other proteins to form multi-component complexes that modulate transcription. This domain is referred to as Domain II and is an additional domain inserted into the N-terminal domain [1].	Domain
A	PF02357	Transcription termination factor nusG (NusG)	Transcription termination factor nusG		Domain
A	PF00467	KOW motif (KOW)	KOW motif	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TRANSCRIPTION ANTITERMINATION PROTEIN NUSG	-	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 DNA-templated transcription elongation regulation of DNA-templated transcription elongation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043425	NusG-like	Family
A	IPR001062	Transcription antitermination protein, NusG	Family
A	IPR036735	NusG, N-terminal domain superfamily	Homologous Superfamily
A	IPR014722	Large ribosomal subunit protein uL2, domain 2	Homologous Superfamily
A	IPR015869	Transcription antitermination protein, NusG, bacteria, conserved site	Conserved Site
A	IPR008991	Translation protein SH3-like domain superfamily	Homologous Superfamily
A	IPR040473	NusG, additional domain	Domain
A	IPR005824	KOW	Domain
A	IPR006645	NusG-like, N-terminal	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.