3ZQO | pdb_00003zqo

Crystal structure of the small terminase oligomerization core domain from a SPP1-like bacteriophage (crystal form 3)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	Terminase_2_C	e3zqoA1	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	e3zqoB1	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	e3zqoG1	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	e3zqoH1	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	e3zqoI1	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)
K	Terminase_2_C	e3zqoK1	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)
L	Terminase_2_C	e3zqoL1	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)
M	Terminase_2_C	e3zqoM1	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)
P	Terminase_2_C	e3zqoP1	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)
R	Terminase_2_C	e3zqoR1	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)
Q	Terminase_2_C	e3zqoQ1	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)
O	Terminase_2_C	e3zqoO1	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)
N	Terminase_2_C	e3zqoN1	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)
J	Terminase_2_C	e3zqoJ1	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	e3zqoF1	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	e3zqoE1	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	e3zqoD1	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	e3zqoC1	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)
A	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)
G	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)
I	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
K	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
L	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
M	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
P	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
R	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
Q	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
O	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
N	6.10.140.2160	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
J	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)

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, M, N, O, P, Q, R	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, K, L, M, N, O, P, Q, R	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, K, L, M, N, O, P, Q, R	IPR005335	Terminase small subunit	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R	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.