1RB8 | pdb_00001rb8

The phiX174 DNA binding protein J in two different capsid environments.

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)
B [auth G]	d1rb8g_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	ssDNA viruses	Microviridae-like VP	Microvirus capsid proteins, spike protein G	(Escherichia phage alpha3 ) [TaxId: 10849 ],	SCOPe (2.08)
A [auth F]	d1rb8f_	All beta proteins	Nucleoplasmin-like/VP (viral coat and capsid proteins)	ssDNA viruses	Microviridae-like VP	Microvirus capsid proteins, capsid protein F	(Escherichia phage alpha3 ) [TaxId: 10849 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth F]	SCOP2B Superfamily	ssDNA viruses	8043143	3000931	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)
B [auth G]	Phage_G	e1rb8G1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Phage_G	ECOD (1.6)
A [auth F]	Phage_F	e1rb8F1	A: beta sandwiches	X: jelly-roll	H: Nucleoplasmin-like/VP (viral coat and capsid proteins) (From Topology)	T: Nucleoplasmin-like/VP (viral coat and capsid proteins)	F: Phage_F	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth G]	2.60.120.20	Mainly Beta	Sandwich	Jelly Rolls		CATH (4.3.0)
A [auth F]	2.60.169.10	Mainly Beta	Sandwich	Bacteriophage G4 Capsid Proteins Gpf, Gpg, Gpj, subunit 1	Microviridae F protein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth G]	PF02306	Major spike protein (G protein) (Phage_G)	Major spike protein (G protein)	This is a family of proteins from single-stranded DNA bacteriophages. Five G proteins, each a tight beta barrel, from twelve surface spikes.	Domain
A [auth F]	PF02305	Capsid protein (F protein) (Phage_F)	Capsid protein (F protein)	This is a family of proteins from single-stranded DNA bacteriophages. Protein F is the major capsid component, sixty copies of which are found in the virion.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D [auth X]	DNA (5'-D(PCPAPAPA)-3')	-	-	-
C [auth J]	Small core protein	DNA binding binding nucleic acid binding	-	viral capsid virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part
B [auth G]	Major spike protein	-	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont-mediated perturbation of host process modulation of process of another organism symbiont entry into host cell symbiont entry into host	viral capsid virion component
A [auth F]	Capsid protein	structural molecule activity	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction	viral capsid icosahedral viral capsid virion component T=1 icosahedral viral capsid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth J]	IPR006815	Microvirus J protein-like	Family
B [auth G]	IPR029053	Viral coat protein subunit	Homologous Superfamily
B [auth G]	IPR016184	Capsid/spike protein, ssDNA virus	Homologous Superfamily
B [auth G]	IPR003515	Major spike protein G	Family
A [auth F]	IPR016184	Capsid/spike protein, ssDNA virus	Homologous Superfamily
A [auth F]	IPR003514	Microviridae F protein	Family
A [auth F]	IPR037002	Microviridae F protein superfamily	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.