6QXM

Cryo-EM structure of T7 bacteriophage portal protein, 12mer, open valve

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Head-tail_con_2nd	e6qxmB2	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: Head-tail_con_2nd	ECOD (1.6)
B	Head-tail_con_1st	e6qxmB1	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: Head-tail_con_1st	ECOD (1.6)
E	Head-tail_con_2nd	e6qxmE2	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: Head-tail_con_2nd	ECOD (1.6)
E	Head-tail_con_1st	e6qxmE1	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: Head-tail_con_1st	ECOD (1.6)
I	Head-tail_con_2nd	e6qxmI2	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: Head-tail_con_2nd	ECOD (1.6)
I	Head-tail_con_1st	e6qxmI1	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: Head-tail_con_1st	ECOD (1.6)
J	Head-tail_con_2nd	e6qxmJ2	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: Head-tail_con_2nd	ECOD (1.6)
J	Head-tail_con_1st	e6qxmJ1	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: Head-tail_con_1st	ECOD (1.6)
K	Head-tail_con_2nd	e6qxmK2	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: Head-tail_con_2nd	ECOD (1.6)
K	Head-tail_con_1st	e6qxmK1	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: Head-tail_con_1st	ECOD (1.6)
A	Head-tail_con_2nd	e6qxmA2	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: Head-tail_con_2nd	ECOD (1.6)
A	Head-tail_con_1st	e6qxmA1	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: Head-tail_con_1st	ECOD (1.6)
C	Head-tail_con_2nd	e6qxmC2	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: Head-tail_con_2nd	ECOD (1.6)
C	Head-tail_con_1st	e6qxmC1	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: Head-tail_con_1st	ECOD (1.6)
D	Head-tail_con_2nd	e6qxmD2	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: Head-tail_con_2nd	ECOD (1.6)
D	Head-tail_con_1st	e6qxmD1	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: Head-tail_con_1st	ECOD (1.6)
F	Head-tail_con_2nd	e6qxmF2	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: Head-tail_con_2nd	ECOD (1.6)
F	Head-tail_con_1st	e6qxmF1	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: Head-tail_con_1st	ECOD (1.6)
G	Head-tail_con_2nd	e6qxmG2	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: Head-tail_con_2nd	ECOD (1.6)
G	Head-tail_con_1st	e6qxmG1	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: Head-tail_con_1st	ECOD (1.6)
H	Head-tail_con_2nd	e6qxmH2	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: Head-tail_con_2nd	ECOD (1.6)
H	Head-tail_con_1st	e6qxmH1	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: Head-tail_con_1st	ECOD (1.6)
L	Head-tail_con_2nd	e6qxmL2	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: Head-tail_con_2nd	ECOD (1.6)
L	Head-tail_con_1st	e6qxmL1	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: Head-tail_con_1st	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	PF12236	Bacteriophage head to tail connecting protein (Head-tail_con)	Bacteriophage head to tail connecting protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	Portal protein	-	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	protein-containing complex viral capsid virion component viral portal complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR038995	Portal protein, Caudovirales	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	IPR020991	Head-to-tail connector protein, podovirus-type	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.

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6QXM

Cryo-EM structure of T7 bacteriophage portal protein, 12mer, open valve

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage