3QC7

The structure of bacteriophage phi29 head fibers has a supercoiled triple repeating helix-turn-helix motif

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	phi29 head fiber protein-like	8045987	4004802	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	phi29 head fiber stem-like	8092516	3002605	SCOP2 (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_head_fibr	e3qc7A1	A: alpha duplicates or obligate multimers	X: Head fiber protein gp8.5 fibrous portion (From Topology)	H: Head fiber protein gp8.5 fibrous portion (From Topology)	T: Head fiber protein gp8.5 fibrous portion	F: Phage_head_fibr	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.140.1630	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF11133	Head fiber protein (Phage_head_fibr)	Head fiber protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Head fiber protein	identical protein binding protein binding binding	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 adhesion of symbiont to host cell adhesion of symbiont to host	viral capsid, fiber viral capsid virion component viral capsid, decoration viral procapsid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR022741	Bacteriophage B103, Gp8, head fibre	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.