3ZQN | pdb_00003zqn

Crystal structure of the small terminase oligomerization core domain from a SPP1-like bacteriophage (crystal form 2)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
J	Terminase_2_C	e3zqnJ2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
I	Terminase_2_C	e3zqnI2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
H	Terminase_2_C	e3zqnH2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
G	Terminase_2_C	e3zqnG2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
F	Terminase_2_C	e3zqnF2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
E	Terminase_2_C	e3zqnE2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
D	Terminase_2_C	e3zqnD2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
C	Terminase_2_C	e3zqnC2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
B	Terminase_2_C	e3zqnB2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)
A	Terminase_2_C	e3zqnA2	A: a+b duplicates or obligate multimers	X: small terminase oligomerization domain (From Topology)	H: small terminase oligomerization domain (From Topology)	T: small terminase oligomerization domain	F: Terminase_2_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
I	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
H	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
G	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
F	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
E	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
D	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
C	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
B	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
A	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)

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	PF03592	Terminase small subunit (Terminase_2)	Terminase small subunit	-	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	TERMINASE SMALL SUBUNIT	DNA binding binding nucleic acid binding identical protein binding protein binding	cellular component organization organelle organization chromosome organization cellular process cellular component organization or biogenesis	-

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	IPR038713	Terminase small subunit, N-terminal DNA-binding domain, HTH motif superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR005335	Terminase small subunit	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR052404	SPP1-like small terminase	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.