1EYG

Crystal structure of chymotryptic fragment of E. coli ssb bound to two 35-mer single strand DNAS

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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)
C [auth A]	d1eyga_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Single strand DNA-binding domain, SSB	ssDNA-binding protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D [auth B]	d1eygb_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Single strand DNA-binding domain, SSB	ssDNA-binding protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E [auth C]	d1eygc_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Single strand DNA-binding domain, SSB	ssDNA-binding protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
F [auth D]	d1eygd_	All beta proteins	OB-fold	Nucleic acid-binding proteins	Single strand DNA-binding domain, SSB	ssDNA-binding protein	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth A]	SSB	e1eygA1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: SSB	ECOD (1.6)
D [auth B]	SSB	e1eygB1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: SSB	ECOD (1.6)
E [auth C]	SSB	e1eygC1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: SSB	ECOD (1.6)
F [auth D]	SSB	e1eygD1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: SSB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth A]	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
D [auth B]	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
E [auth C]	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
F [auth D]	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
C [auth A], D [auth B], E [auth C], F [auth D]	PF00436	Single-strand binding protein family (SSB)	Single-strand binding protein family	This family includes single stranded binding proteins and also the primosomal replication protein N (PriB). PriB forms a complex with PriA, PriC and ssDNA.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth Q], B [auth R]	SINGLE STRANDED 28-MER OF D(C)	-	-	-
C [auth A], D [auth B], E [auth C], F [auth D]	SINGLE-STRAND DNA-BINDING PROTEIN	enzyme regulator activity enzyme activator activity molecular function activator activity molecular function regulator activity identical protein binding protein binding binding DNA binding organic cyclic compound binding single-stranded DNA binding nucleic acid binding	cellular response to stimulus mismatch repair response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process cellular response to stimulus mismatch repair response to stimulus primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process cellular response to stress DNA damage response response to stress metabolic process cellular process macromolecule metabolic process DNA repair DNA-templated DNA replication DNA replication DNA recombination recombinational repair positive regulation of molecular function regulation of molecular function regulation of catalytic activity biological regulation positive regulation of catalytic activity SOS response	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex nucleoid single-stranded DNA-binding protein complex protein-DNA complex chromosome intracellular organelle organelle intracellular non-membrane-bounded organelle replication fork replisome intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex nucleoid single-stranded DNA-binding protein complex protein-DNA complex chromosome intracellular organelle organelle intracellular non-membrane-bounded organelle replication fork replisome non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A], D [auth B], E [auth C], F [auth D]	IPR011344	Single-stranded DNA-binding protein	Family
C [auth A], D [auth B], E [auth C], F [auth D]	IPR000424	Primosome PriB/single-strand DNA-binding	Family
C [auth A], D [auth B], E [auth C], F [auth D]	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.