Annotations: 1H5W

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1h5wa_	Multi-domain proteins (alpha and beta)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	(Salasvirus phi29 ) [TaxId: 10756 ],	SCOPe (2.08)
B	d1h5wb_	Multi-domain proteins (alpha and beta)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	(Salasvirus phi29 ) [TaxId: 10756 ],	SCOPe (2.08)
C	d1h5wc_	Multi-domain proteins (alpha and beta)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	Upper collar protein gp10 (connector protein)	(Salasvirus phi29 ) [TaxId: 10756 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Upper collar protein gp10 (connector protein)	8036294	3001932	SCOP2B (2022-06-29)
B	SCOP2 Family	Upper collar protein gp10 (connector protein)	8023915	4002952	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Upper collar protein gp10 (connector protein)	8036294	3001932	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Upper collar protein gp10 (connector protein)	8036294	3001932	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_connector_1st	e1h5wA3	A: beta barrels	X: Barrel domain in upper collar protein (From Topology)	H: Barrel domain in upper collar protein (From Topology)	T: Barrel domain in upper collar protein	F: Phage_connector_1st	ECOD (1.6)
A	Phage_connector_2nd	e1h5wA4	A: alpha bundles	X: Alpha-helical domain in upper collar protein (From Topology)	H: Alpha-helical domain in upper collar protein (From Topology)	T: Alpha-helical domain in upper collar protein	F: Phage_connector_2nd	ECOD (1.6)
B	Phage_connector_1st	e1h5wB2	A: beta barrels	X: Barrel domain in upper collar protein (From Topology)	H: Barrel domain in upper collar protein (From Topology)	T: Barrel domain in upper collar protein	F: Phage_connector_1st	ECOD (1.6)
B	Phage_connector_2nd	e1h5wB1	A: alpha bundles	X: Alpha-helical domain in upper collar protein (From Topology)	H: Alpha-helical domain in upper collar protein (From Topology)	T: Alpha-helical domain in upper collar protein	F: Phage_connector_2nd	ECOD (1.6)
C	Phage_connector_1st	e1h5wC2	A: beta barrels	X: Barrel domain in upper collar protein (From Topology)	H: Barrel domain in upper collar protein (From Topology)	T: Barrel domain in upper collar protein	F: Phage_connector_1st	ECOD (1.6)
C	Phage_connector_2nd	e1h5wC1	A: alpha bundles	X: Alpha-helical domain in upper collar protein (From Topology)	H: Alpha-helical domain in upper collar protein (From Topology)	T: Alpha-helical domain in upper collar protein	F: Phage_connector_2nd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.246.30	Mainly Alpha	Orthogonal Bundle	Serum Albumin	Chain A, Domain 1	CATH (4.3.0)
A	2.40.500.10	Mainly Beta	Beta Barrel	Upper collar protein gp10 (connector protein) fold	Upper collar protein gp10 (connector protein)	CATH (4.3.0)
A	3.30.1350.20	Alpha Beta	2-Layer Sandwich	Crambin	Bacteriophage PHI-29 conector. Domain 3	CATH (4.3.0)
B	1.10.246.30	Mainly Alpha	Orthogonal Bundle	Serum Albumin	Chain A, Domain 1	CATH (4.3.0)
B	2.40.500.10	Mainly Beta	Beta Barrel	Upper collar protein gp10 (connector protein) fold	Upper collar protein gp10 (connector protein)	CATH (4.3.0)
B	3.30.1350.20	Alpha Beta	2-Layer Sandwich	Crambin	Bacteriophage PHI-29 conector. Domain 3	CATH (4.3.0)
C	1.10.246.30	Mainly Alpha	Orthogonal Bundle	Serum Albumin	Chain A, Domain 1	CATH (4.3.0)
C	2.40.500.10	Mainly Beta	Beta Barrel	Upper collar protein gp10 (connector protein) fold	Upper collar protein gp10 (connector protein)	CATH (4.3.0)
C	3.30.1350.20	Alpha Beta	2-Layer Sandwich	Crambin	Bacteriophage PHI-29 conector. Domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF05352	Phage Connector (GP10) (Phage_connector)	Phage Connector (GP10)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	UPPER COLLAR PROTEIN	RNA binding binding organic cyclic compound binding nucleic acid binding	virion assembly viral process viral life cycle viral genome packaging viral DNA genome packaging symbiont genome ejection through host cell envelope biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host symbiont genome ejection through host cell envelope, short tail mechanism biological process involved in interaction with host biological process involved in symbiotic interaction	viral procapsid virion component protein-containing complex viral capsid viral portal complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR008016	Portal protein Gp10	Family
A, B, C	IPR036199	Portal protein Gp10 superfamily	Homologous Superfamily

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.