Annotations: 2QUD

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2quda1	Alpha and beta proteins (a+b)	RNA bacteriophage capsid protein	RNA bacteriophage capsid protein	RNA bacteriophage capsid protein	automated matches	(Pseudomonas phage PP7 ) [TaxId: 12023 ], (Pseudomonas phage PP7 ) [TaxId: 12023 ],	SCOPe (2.08)
A	d2quda2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Pseudomonas phage PP7 ) [TaxId: 12023 ], (Pseudomonas phage PP7 ) [TaxId: 12023 ],	SCOPe (2.08)
B	d2qudb_	Alpha and beta proteins (a+b)	RNA bacteriophage capsid protein	RNA bacteriophage capsid protein	RNA bacteriophage capsid protein	automated matches	(Pseudomonas phage PP7 ) [TaxId: 12023 ], (Pseudomonas phage PP7 ) [TaxId: 12023 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	RNA bacteriophage capsid protein	8035308	3001853	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	RNA bacteriophage capsid protein	8035308	3001853	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	Phage_coat	e2qudA1	A: a+b two layers	X: RNA bacteriophage capsid protein (From Topology)	H: RNA bacteriophage capsid protein (From Topology)	T: RNA bacteriophage capsid protein	F: Phage_coat	ECOD (1.6)
B	Phage_coat	e2qudB1	A: a+b two layers	X: RNA bacteriophage capsid protein (From Topology)	H: RNA bacteriophage capsid protein (From Topology)	T: RNA bacteriophage capsid protein	F: Phage_coat	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.380.10	Alpha Beta	2-Layer Sandwich	MS2 Viral Coat Protein	MS2 Viral Coat Protein	CATH (4.3.0)
B	3.30.380.10	Alpha Beta	2-Layer Sandwich	MS2 Viral Coat Protein	MS2 Viral Coat Protein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF09063	Phage PP7 coat protein (Phage_coat)	Phage PP7 coat protein	Members of this family form the capsid of P. aeruginosa phage PP7. They adopt a secondary structure consisting of a six stranded beta sheet and an alpha helix [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Coat protein	RNA binding binding organic cyclic compound binding nucleic acid binding identical protein binding protein binding	regulation of cellular process cellular biosynthetic process organonitrogen compound biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression organic substance metabolic process organic substance biosynthetic process protein metabolic process regulation of biosynthetic process regulation of biological process organonitrogen compound metabolic process cellular metabolic process regulation of protein metabolic process biological regulation regulation of cellular process cellular biosynthetic process organonitrogen compound biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression organic substance metabolic process organic substance biosynthetic process protein metabolic process regulation of biosynthetic process regulation of biological process organonitrogen compound metabolic process cellular metabolic process regulation of protein metabolic process biological regulation regulation of cellular metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process regulation of translation regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process	viral capsid T=3 icosahedral viral capsid icosahedral viral capsid virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR015954	Bacteriophage RNA-type, capsid	Homologous Superfamily
A, B	IPR015148	Bacteriophage PP7 capsid	Family

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.