1JE5

Crystal Structure of gp2.5, a Single-Stranded DNA Binding Protein Encoded by Bacteriophage T7

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)
A	d1je5a_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Phage ssDNA-binding proteins	gp2.5	(Escherichia phage T7 ) [TaxId: 10760 ],	SCOPe (2.08)
B	d1je5b_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Phage ssDNA-binding proteins	gp2.5	(Escherichia phage T7 ) [TaxId: 10760 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Phage ssDNA-binding proteins	8021974	4001935	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleic acid-binding proteins	8034354	3000135	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Nucleic acid-binding proteins	8034354	3000135	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	PF21265	e1je5A1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF21265	ECOD (1.6)
B	PF21265	e1je5B1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: PF21265	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
B	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF21265	Single-stranded DNA-binding protein, Bacteriophage T7 (SBB_T7)	Single-stranded DNA-binding protein, Bacteriophage T7	Single-stranded DNA-binding proteins (SSB, also known as helix-destabilising proteins and gp2.5) from Bacteriophage T7 is expressed in the late stage of lytic development, binding binding preferentially to single-stranded DNA and is implicated in DNA ...	Single-stranded DNA-binding proteins (SSB, also known as helix-destabilising proteins and gp2.5) from Bacteriophage T7 is expressed in the late stage of lytic development, binding binding preferentially to single-stranded DNA and is implicated in DNA replication, formation of concatemers, recombination and repair of double-stranded breaks [1]. It physically interacts with T7 DNA polymerase and T7 primase-helicase during replication to coordinate events at the replication fork [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HELIX-DESTABILIZING PROTEIN	DNA binding binding organic cyclic compound binding single-stranded DNA binding nucleic acid binding	nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA replication organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular biosynthetic process cellular metabolic process viral DNA genome replication viral life cycle nucleobase-containing compound biosynthetic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA replication organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process cellular biosynthetic process cellular metabolic process viral DNA genome replication viral life cycle nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid biosynthetic process biosynthetic process viral genome replication organic cyclic compound biosynthetic process organic substance biosynthetic process viral process cellular process DNA biosynthetic process cellular response to stimulus response to stimulus cellular response to stress DNA damage response response to stress DNA repair DNA recombination	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR016411	Single-stranded DNA-binding protein, bacteriophage T7	Family
A, B	IPR049476	Single-stranded DNA-binding protein, BPT7	Domain
A, B	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.