Annotations: 4AR2

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Catalase-rel	e4ar2A2	A: alpha bundles	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: Catalase-rel	ECOD (develop294)

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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth P]	FIBER PROTEIN	-	virion attachment to host cell biological process involved in interspecies interaction between organisms receptor-mediated virion attachment to host cell adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host adhesion receptor-mediated virion attachment to host cell biological process involved in interaction with host biological process involved in symbiotic interaction cell adhesion cellular process symbiont entry into host cell symbiont entry into host	viral capsid virion component host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle
A	L2 PROTEIN III (PENTON BASE)	structural molecule activity cation binding ion binding binding metal ion binding small molecule binding	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 entry into host cell symbiont entry into host endocytosis involved in viral entry into host cell	host intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell part host intracellular region host cell nucleus other organism part host intracellular organelle viral capsid icosahedral viral capsid virion component T=25 icosahedral viral capsid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
A	IPR002605	Adenovirus penton base protein	Family

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.