Annotations: 4EO2

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2 Family	Caudoviral knob C-terminal region-like	8093074	4007790	SCOP2 (2022-06-29)
C	SCOP2 Family	Caudoviral knob N-terminal domain-like	8046222	4004966	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Caudoviral knob C-terminal region-like	8093075	3002674	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Phage tail proteins	8093073	3000268	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Phage tail proteins	8093073	3000268	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Caudoviral knob C-terminal region-like	8093075	3002674	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Phage tail proteins	8093073	3000268	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Caudoviral knob C-terminal region-like	8093075	3002674	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Phage tail proteins	8093073	3000268	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Caudoviral knob C-terminal region-like	8093075	3002674	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Caudoviral knob C-terminal region-like	8093075	3002674	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Phage tail proteins	8093073	3000268	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Caudoviral knob C-terminal region-like	8093075	3002674	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Phage tail proteins	8093073	3000268	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)
C	Caud_tail_N_1	e4eo2C1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Caud_tail_N_1	ECOD (1.6)
C	PHA00965	e4eo2C2	A: beta complex topology	X: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	H: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	T: C-terminal domain in bacteriophage C1 tail knob protein, gp12	F: PHA00965	ECOD (1.6)
A	Caud_tail_N_1	e4eo2A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Caud_tail_N_1	ECOD (1.6)
A	PHA00965	e4eo2A2	A: beta complex topology	X: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	H: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	T: C-terminal domain in bacteriophage C1 tail knob protein, gp12	F: PHA00965	ECOD (1.6)
B	Caud_tail_N_1	e4eo2B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Caud_tail_N_1	ECOD (1.6)
B	PHA00965	e4eo2B2	A: beta complex topology	X: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	H: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	T: C-terminal domain in bacteriophage C1 tail knob protein, gp12	F: PHA00965	ECOD (1.6)
D	Caud_tail_N_1	e4eo2D1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Caud_tail_N_1	ECOD (1.6)
D	PHA00965	e4eo2D2	A: beta complex topology	X: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	H: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	T: C-terminal domain in bacteriophage C1 tail knob protein, gp12	F: PHA00965	ECOD (1.6)
E	Caud_tail_N_1	e4eo2E1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Caud_tail_N_1	ECOD (1.6)
E	PHA00965	e4eo2E2	A: beta complex topology	X: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	H: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	T: C-terminal domain in bacteriophage C1 tail knob protein, gp12	F: PHA00965	ECOD (1.6)
F	Caud_tail_N_1	e4eo2F1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Phage tail proteins	F: Caud_tail_N_1	ECOD (1.6)
F	PHA00965	e4eo2F2	A: beta complex topology	X: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	H: C-terminal domain in bacteriophage C1 tail knob protein, gp12 (From Topology)	T: C-terminal domain in bacteriophage C1 tail knob protein, gp12	F: PHA00965	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	PF16838	Caudoviral major tail protein N-terminus (Caud_tail_N)	Caudoviral major tail protein N-terminus	This is the N-terminal domain of the major tail protein, or knob protein, from Caudovirales [1].	Domain

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	Major tail protein	identical protein binding protein binding binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR031772	Tail knob protein gp9, N-terminal	Domain

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.