6EJQ

Crystal structure of a C-terminally truncated small terminase protein from the thermophilic bacteriophage G20c

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)
A	PF21434	e6ejqA2	A: alpha arrays	X: HTH	H: Phage G20C small terminase N-terminal domain (From Topology)	T: Phage G20C small terminase N-terminal domain	F: PF21434	ECOD (1.6)
A	PF22412	e6ejqA1	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
B	PF21434	e6ejqB1	A: alpha arrays	X: HTH	H: Phage G20C small terminase N-terminal domain (From Topology)	T: Phage G20C small terminase N-terminal domain	F: PF21434	ECOD (1.6)
B	PF22412	e6ejqB2	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
C	PF21434	e6ejqC1	A: alpha arrays	X: HTH	H: Phage G20C small terminase N-terminal domain (From Topology)	T: Phage G20C small terminase N-terminal domain	F: PF21434	ECOD (1.6)
C	PF22412	e6ejqC2	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
D	PF21434	e6ejqD1	A: alpha arrays	X: HTH	H: Phage G20C small terminase N-terminal domain (From Topology)	T: Phage G20C small terminase N-terminal domain	F: PF21434	ECOD (1.6)
D	PF22412	e6ejqD2	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
E	PF22412	e6ejqE1	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
F	PF21434	e6ejqF1	A: alpha arrays	X: HTH	H: Phage G20C small terminase N-terminal domain (From Topology)	T: Phage G20C small terminase N-terminal domain	F: PF21434	ECOD (1.6)
F	PF22412	e6ejqF2	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
G	PF21434	e6ejqG1	A: alpha arrays	X: HTH	H: Phage G20C small terminase N-terminal domain (From Topology)	T: Phage G20C small terminase N-terminal domain	F: PF21434	ECOD (1.6)
G	PF22412	e6ejqG2	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
H	PF21434	e6ejqH2	A: alpha arrays	X: HTH	H: Phage G20C small terminase N-terminal domain (From Topology)	T: Phage G20C small terminase N-terminal domain	F: PF21434	ECOD (1.6)
H	PF22412	e6ejqH1	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	ECOD (1.6)
I	PF22412	e6ejqI1	A: alpha bundles	X: Phage G20C small terminase C-terminal domain (From Topology)	H: Phage G20C small terminase C-terminal domain (From Topology)	T: Phage G20C small terminase C-terminal domain	F: PF22412	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	PF21434	Phage G20C small terminase, N-terminal domain (TerS_N)	Phage G20C small terminase, N-terminal domain	This entry represents the N-terminal helix-turn-helix domain of the terminase small subunit (TerS) from Thermus phage G20c [1], which oligomerises into a nonamer that binds DNA, stimulates terminase large subunit (TerL) ATPase activity, and inhibits ...	This entry represents the N-terminal helix-turn-helix domain of the terminase small subunit (TerS) from Thermus phage G20c [1], which oligomerises into a nonamer that binds DNA, stimulates terminase large subunit (TerL) ATPase activity, and inhibits TerL nuclease activity [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, G, H, I	Terminase small subunit	DNA binding binding organic cyclic compound binding nucleic acid binding	-	-

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	IPR049136	Phage G20C small terminase, N-terminal domain	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.