Annotations: 4AR2

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF01686	e4ar2A2	A: beta sandwiches	X: jelly-roll	H: Jelly-roll domain in Adenovirus penton base protein (From Topology)	T: Jelly-roll domain in Adenovirus penton base protein	F: PF01686	ECOD (1.6)
A	PF01686	e4ar2A3	A: a+b complex topology	X: Insertion domain in Adenovirus penton base protein (From Topology)	H: Insertion domain in Adenovirus penton base protein (From Topology)	T: Insertion domain in Adenovirus penton base protein	F: PF01686	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.550	Mainly Beta	Sandwich	Jelly Rolls	Penton protein	CATH (4.3.0)
A	3.90.1620.10	Alpha Beta	Alpha-Beta Complex	adenovirus 2 penton base, domain 2	adenovirus 2 penton base, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01686	Adenovirus penton base protein (Adeno_Penton_B)	Adenovirus penton base protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	L2 PROTEIN III (PENTON BASE)	structural molecule activity	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 import into cell transport establishment of localization vesicle-mediated transport localization symbiont entry into host cell 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 import into cell transport establishment of localization vesicle-mediated transport localization symbiont entry into host cell symbiont entry into host cellular process endocytosis involved in viral entry into host cell endocytosis transport of virus	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 viral capsid icosahedral viral capsid virion component T=25 icosahedral viral capsid
B [auth P]	FIBER PROTEIN	-	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 virion attachment to host cell receptor-mediated virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host adhesion receptor-mediated virion attachment to host cell cell adhesion cellular process	viral capsid virion component 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	IPR002605	Adenovirus penton base protein	Family
B [auth P]	IPR009013	Attachment protein shaft domain superfamily	Homologous Superfamily
B [auth P]	IPR000978	Adenoviral fibre protein, knob	Domain
B [auth P]	IPR008982	Adenovirus pIV-like, attachment domain	Homologous Superfamily
B [auth P]	IPR000931	Adenovirus fibre protein	Family
B [auth P]	IPR000939	Adenoviral fibre protein, repeat/shaft region	Repeat

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.