3QN2

Structure-based design of a disulfide-linked oligomeric form of the Simian Virus 40 (SV40) large T antigen DNA binding 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	d3qn2a_	Alpha and beta proteins (a+b)	Origin of replication-binding domain, RBD-like	Origin of replication-binding domain, RBD-like	The origin DNA-binding domain of SV40 T-antigen	automated matches	SV40 (Betapolyomavirus macacae ) [TaxId: 1891767 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Origin of replication-binding domain RBD-like	8041337	3001937	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	T_Ag_DNA_bind	e3qn2A1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: T_Ag_DNA_bind	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1310.20	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02217	Origin of replication binding protein (T_Ag_DNA_bind)	Origin of replication binding protein	This domain of large T antigen binds to the SV40 origin of DNA replication [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Large T antigen	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding organic cyclic compound binding nucleic acid binding DNA replication origin binding catalytic activity, acting on a nucleic acid helicase activity catalytic activity ATP-dependent activity hydrolase activity adenyl ribonucleotide binding DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding binding organic cyclic compound binding nucleic acid binding DNA replication origin binding catalytic activity, acting on a nucleic acid helicase activity catalytic activity ATP-dependent activity hydrolase activity 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 cation binding metal ion binding identical protein binding protein binding single-stranded DNA binding	cellular biosynthetic process viral life cycle nucleobase-containing compound metabolic process nucleic acid biosynthetic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process viral process nitrogen compound metabolic process cellular metabolic process viral DNA genome replication cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process cellular biosynthetic process viral life cycle nucleobase-containing compound metabolic process nucleic acid biosynthetic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process viral process nitrogen compound metabolic process cellular metabolic process viral DNA genome replication cellular nitrogen compound metabolic process primary metabolic process DNA metabolic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process organic cyclic compound metabolic process biosynthetic process viral genome replication aromatic compound biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process macromolecule metabolic process DNA biosynthetic process cellular aromatic compound metabolic process symbiont-mediated suppression of host JAK-STAT cascade via inhibition of JAK1 activity symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host JAK-STAT cascade biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated suppression of host signal transduction pathway modulation by symbiont of host process symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism symbiont-mediated perturbation of host cell cycle progression symbiont-mediated perturbation of host cell cycle G1/S transition checkpoint bidirectional double-stranded viral DNA replication symbiont-mediated suppression of host type I interferon-mediated signaling pathway symbiont-mediated suppression of host interferon-mediated signaling pathway symbiont-mediated perturbation of host ubiquitin-like protein modification DNA geometric change DNA conformation change cellular component organization cellular component organization or biogenesis DNA duplex unwinding DNA-templated DNA replication chromosome organization DNA unwinding involved in DNA replication organelle organization DNA replication	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell part host intracellular region cellular anatomical entity host cell nucleus host intracellular organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001623	DnaJ domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR017910	Zinc finger, large T-antigen D1-type	Domain
A	IPR003133	T antigen, Ori-binding	Domain
A	IPR037102	Zinc finger, large T-antigen D1 domain superfamily	Homologous Superfamily
A	IPR036869	Chaperone J-domain superfamily	Homologous Superfamily
A	IPR014015	Helicase, superfamily 3, DNA virus	Domain
A	IPR016392	Large T antigen, polyomaviridae	Family
A	IPR010932	Large T antigen, polyomavirus, C-terminal	Domain

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.