2Q6T | pdb_00002q6t

Crystal structure of the Thermus aquaticus DnaB monomer

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	DnaB_1st	e2q6tD1	A: alpha arrays	X: DnaB helicase N-terminal domain-related (From Topology)	H: DnaB helicase N-terminal domain-related (From Topology)	T: DnaB helicase N-terminal domain-related	F: DnaB_1st	ECOD (1.6)
D	DnaB_C	e2q6tD2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: DnaB_C	ECOD (1.6)
C	DnaB_1st	e2q6tC1	A: alpha arrays	X: DnaB helicase N-terminal domain-related (From Topology)	H: DnaB helicase N-terminal domain-related (From Topology)	T: DnaB helicase N-terminal domain-related	F: DnaB_1st	ECOD (1.6)
C	DnaB_C	e2q6tC2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: DnaB_C	ECOD (1.6)
B	DnaB_1st	e2q6tB1	A: alpha arrays	X: DnaB helicase N-terminal domain-related (From Topology)	H: DnaB helicase N-terminal domain-related (From Topology)	T: DnaB helicase N-terminal domain-related	F: DnaB_1st	ECOD (1.6)
B	DnaB_C	e2q6tB2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: DnaB_C	ECOD (1.6)
A	DnaB_1st	e2q6tA1	A: alpha arrays	X: DnaB helicase N-terminal domain-related (From Topology)	H: DnaB helicase N-terminal domain-related (From Topology)	T: DnaB helicase N-terminal domain-related	F: DnaB_1st	ECOD (1.6)
A	DnaB_C	e2q6tA2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: DnaB_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.10.860.10	Mainly Alpha	Orthogonal Bundle	DNAb Helicase	Chain A	CATH (4.2.0)
D	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.2.0)
C	1.10.860.10	Mainly Alpha	Orthogonal Bundle	DNAb Helicase	Chain A	CATH (4.2.0)
C	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.2.0)
B	1.10.860.10	Mainly Alpha	Orthogonal Bundle	DNAb Helicase	Chain A	CATH (4.2.0)
B	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.2.0)
A	1.10.860.10	Mainly Alpha	Orthogonal Bundle	DNAb Helicase	Chain A	CATH (4.2.0)
A	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	DnaB replication fork helicase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding hydrolase activity catalytic activity ATP-dependent activity, acting on DNA nucleic acid conformation isomerase activity isomerase activity DNA helicase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid helicase activity macromolecular conformation isomerase activity ATP-dependent activity identical protein binding protein binding	DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process DNA-templated DNA replication DNA replication, synthesis of primer RNA metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA replication biosynthetic process metabolic process cellular process macromolecule metabolic process	primosome complex protein-containing complex intracellular anatomical structure protein-DNA complex intracellular membraneless organelle chromosome intracellular organelle cellular anatomical structure organelle membraneless organelle replication fork replisome cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR016136	DNA helicase DnaB, N-terminal/DNA primase DnaG, C-terminal	Homologous Superfamily
A, B, C, D	IPR007693	DNA helicase, DnaB-like, N-terminal	Domain
A, B, C, D	IPR007694	DNA helicase, DnaB-like, C-terminal	Domain
A, B, C, D	IPR007692	DNA helicase, DnaB type	Family
A, B, C, D	IPR036185	DNA helicase, DnaB-like, N-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

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.