1L2F

Crystal structure of NusA from Thermotoga maritima: a structure-based role of the N-terminal domain

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1l2fa1	All beta proteins	OB-fold	Nucleic acid-binding proteins	Cold shock DNA-binding domain-like	S1 domain of NusA	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
A	d1l2fa2	Alpha and beta proteins (a+b)	Alpha-lytic protease prodomain-like	Prokaryotic type KH domain (KH-domain type II)	Prokaryotic type KH domain (KH-domain type II)	Transcription factor NusA, C-terminal domains	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)
A	d1l2fa4	Alpha and beta proteins (a+b)	Transcription factor NusA, N-terminal domain	Transcription factor NusA, N-terminal domain	Transcription factor NusA, N-terminal domain	Transcription factor NusA, N-terminal domain	(Thermotoga maritima ) [TaxId: 2336 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Prokaryotic type KH domain (KH-domain type II)	8036437	3001043	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nucleic acid-binding proteins	8036435	3000135	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Prokaryotic type KH domain (KH-domain type II)	8036438	3001043	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Transcription factor NusA N-terminal domain	8036439	3000830	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)
A	S1_3	e1l2fA1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: S1_3	ECOD (1.6)
A	KH_5	e1l2fA2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: KH-domains	T: Prokaryotic type KH domain (KH-domain type II)	F: KH_5	ECOD (1.6)
A	nusA	e1l2fA3	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: KH-domains	T: Prokaryotic type KH domain (KH-domain type II)	F: nusA	ECOD (1.6)
A	NusA_N	e1l2fA4	A: a+b complex topology	X: Transcription factor NusA, N-terminal domain (From Topology)	H: Transcription factor NusA, N-terminal domain (From Topology)	T: Transcription factor NusA, N-terminal domain	F: NusA_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.1480.10	Alpha Beta	2-Layer Sandwich	N Utilization Substance Protein A	Chain:P	CATH (4.3.0)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
A	3.30.300.20	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13184	NusA-like KH domain (KH_5)	NusA-like KH domain	-	Domain
A	PF08529	NusA N-terminal domain (NusA_N)	NusA N-terminal domain	This domain represents the RNA polymerase binding domain of NusA.	Domain
A	PF00575	S1 RNA binding domain (S1)	S1 RNA binding domain	The S1 domain occurs in a wide range of RNA associated proteins. It is structurally similar to cold shock protein which binds nucleic acids. The S1 domain has an OB-fold structure.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	N utilization substance protein A	transcription regulator activity DNA-binding transcription factor activity RNA binding binding organic cyclic compound 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 negative regulation of cellular metabolic process 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 organic substance biosynthetic 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 negative regulation of cellular metabolic process 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 organic substance biosynthetic 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 cellular metabolic process negative regulation of metabolic process regulation of cellular metabolic process primary metabolic process negative regulation of cellular biosynthetic process regulation of gene expression organic cyclic compound metabolic process biosynthetic process negative regulation of macromolecule biosynthetic process organic cyclic compound 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 cellular biosynthetic process positive regulation of biological process RNA metabolic process positive regulation of cellular metabolic process DNA-templated transcription termination RNA biosynthetic process cellular component organization nucleic acid biosynthetic process organic substance metabolic 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 regulation of cellular biosynthetic process positive regulation of gene expression negative regulation of biosynthetic process cellular process positive regulation of cellular biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR025249	KH domain, NusA-like	Domain
A	IPR036555	NusA, N-terminal domain superfamily	Homologous Superfamily
A	IPR003029	S1 domain	Domain
A	IPR013735	Transcription factor NusA, N-terminal	Domain
A	IPR030842	Transcription termination/antitermination protein NusA, bacterial	Family
A	IPR010213	Transcription termination factor NusA	Domain
A	IPR009019	K homology domain superfamily, prokaryotic type	Homologous Superfamily
A	IPR015946	K homology domain-like, alpha/beta	Homologous Superfamily
A	IPR012340	Nucleic acid-binding, OB-fold	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.